Unpacking the Riskiest U.S. Highways – Data from Studies and Essential Driving Precautions
If you search for America’s most dangerous highways, two routes show up again and again: I-95 and I-4. That does not mean there is one uncontested national…
By Marcus Hale · · 24 min read

If you search for America’s most dangerous highways, two routes show up again and again: I-95 and I-4. That does not mean there is one uncontested national winner. It means different studies use different definitions of danger.12
That distinction matters. A very long interstate can lead in total fatalities or in fatalities per 100 miles because it carries huge traffic over a huge distance. A much shorter corridor can look worse by fatalities per mile because the deaths are concentrated on a compact, high-intensity stretch. In the evidence reviewed here, I-95 leads a 2019 analysis built around fatalities per 100 miles, while I-4 leads a separate 2016–2019 analysis built around fatalities per mile.12
So this article is not a single official leaderboard. It is a careful comparison of commonly cited third-party analyses, mostly built from NHTSA’s Fatality Analysis Reporting System (FARS), plus practical driving-prep guidance for the kinds of roads those studies repeatedly flag.123
Short version: - I-95 leads one 2019 FARS-based analysis by raw fatalities and fatalities per 100 miles.1 - I-4 leads Teletrac Navman’s 2016–2019 analysis by fatalities per mile.2 - Those findings are not interchangeable, because the metric, route set, and time window differ.123
How Studies Measure Highway Danger
The first question behind any ranking of America’s most dangerous highways is simple: danger measured how?
Most of the better-known lists cited in this topic rely on NHTSA’s Fatality Analysis Reporting System (FARS), which makes them more grounded than anecdotal “scariest road” roundups. But even when multiple articles point back to FARS, their denominator can change the outcome.123
Here are the main frameworks used in the evidence behind this article:
| Metric | What it emphasizes | What it tends to elevate |
|---|---|---|
| Total fatalities | Raw number of deaths on a route | Very long, heavily traveled corridors such as I-95 |
| Fatalities per 100 miles | Death burden adjusted for route length, but still scaled to long corridors | Long interstate systems with major metro exposure |
| Fatalities per mile | Death concentration on a short route | Compact, urban, or high-intensity corridors such as I-4 |
| Crashes per 100,000 people | State or county burden relative to population | Geographic areas, not specific named highways |
| Subjective hazard lists | Terrain, curves, weather, remoteness, or fear factor | Scenic mountain roads, rural roads, bridges, and remote routes |
That is why two honest-looking articles can produce different “most dangerous highway” answers without either one being numerically wrong. They may simply be solving different questions.
A good example:
- A 2019 insurance analysis using FARS data ranked highways by fatalities per 100 miles and put I-95 first, with 284 fatalities and 14.88 deaths per 100 miles.1
- Teletrac Navman analyzed 2016–2019 NHTSA fatality data for interstate and U.S. numbered highways and ranked routes by fatalities per mile. That method put I-4 first at 1.134 deaths per mile across its 132-mile corridor.2
Those findings are best read as:
- Which highway had the biggest fatality burden in that 2019 per-100-mile study? I-95.1
- Which highway had the highest death concentration mile for mile in Teletrac’s 2016–2019 analysis? I-4.2
Time window matters too. The evidence here spans at least three different frames:
- 2016–2019 in Teletrac Navman’s per-mile analysis,2
- 2019 only in the insurance analysis ranking fatalities per 100 miles,1
- and a later 2019–2023 law-firm summary that cites I-4 at 1.54 deaths per mile but does not present a similarly transparent, uniform ranking table for all roads.3
That means readers should be careful about treating separate articles as if they were all slices of one master database. They are not.
Another important caution: many of the commonly cited pages in this topic were published by:
- insurance sites,
- law firms,
- fleet-management companies,
- or consumer services sites.
That does not automatically invalidate the figures, especially when they say they used FARS. But it does mean the studies are usually secondary analyses, not official NHTSA rankings, and the transparency of method varies from source to source.1234
A final limitation: these rankings usually focus on fatalities, not injuries, near misses, route difficulty, emergency-response delays, or exposure by vehicle miles traveled at the corridor level. So a road can be technically difficult, remote, or frightening to drive without appearing near the top of a national fatality leaderboard. That matters later when roads like the Million Dollar Highway or the Dalton Highway enter the conversation.56
Top Highways by Fatalities per Mile
When the question is which highways have the highest fatality concentration mile for mile, the cleanest source in the evidence pack is Teletrac Navman’s analysis of 2016–2019 NHTSA fatality data for interstate and U.S. numbered highways.2
Here is the top 10 that source reported:
| Highway | Deaths per mile | Reported deadliest city on the route |
|---|---|---|
| I-4 (FL) | 1.134 | Orlando |
| I-45 (TX) | 0.913 | Houston |
| Route 192 (FL) | 0.867 | Kissimmee |
| I-17 (AZ) | 0.707 | Phoenix |
| Route 92 (FL) | 0.706 | Tampa |
| I-12 (LA) | 0.666 | Baton Rouge |
| I-30 (TX) | 0.646 | Dallas |
| I-95 | 0.637 | Jacksonville |
| I-19 (AZ) | 0.631 | Sahuarita |
| I-85 | 0.613 | Charlotte |
Source: Teletrac Navman, using 2016–2019 NHTSA fatality data for interstate and U.S. numbered highways.2
The standout is I-4 in Florida. In Teletrac Navman’s analysis, it was the only route above 1 death per mile, with 1.134 deaths per mile, 150 fatalities, and a route length of 132 miles.2 That combination explains why I-4 appears so often in media coverage of dangerous highways: on a per-mile basis, its fatality concentration was unusually high in that study.
The same source also reported that four Florida highways appeared in its top 10:
- I-4
- Route 192
- Route 92
- I-952
That does not prove Florida is always the national outlier under every method. It does show that, in this one per-mile analysis, Florida was heavily represented.
Teletrac’s city labels are useful because they hint at where the risk may cluster. The source named Orlando as the deadliest city on I-4, Jacksonville on I-95, and Houston on I-45.2 That supports a practical reading of the data: the danger on a famous highway is often not evenly distributed from one end to the other. Metro segments matter.
A later law-firm summary also placed I-4 first by fatal crash rate and quoted 1.54 deaths per mile for 2019–2023 FARS data.3 That figure is worth mentioning only with caution. It broadly points in the same direction as Teletrac’s earlier result, but the page does not provide the same level of transparent, apples-to-apples table detail for every route. For publication-grade comparison, the Teletrac 2016–2019 table is the cleaner ranking source in this evidence set.23
The key takeaway from the per-mile framework is narrow but clear: among the cited analyses that explicitly rank highways by fatality concentration, I-4 is the route most consistently singled out. That is a statement about mile-for-mile density, not necessarily about the highest total death count nationwide.23
Deadliest by Total Fatalities and Rates per 100 Miles
A different picture emerges when the metric changes from deaths per mile to total fatalities or fatalities per 100 miles.
In a 2019 insurance analysis built from FARS data, these highways ranked near the top by fatalities per 100 miles:
| Highway | 2019 fatalities | Fatalities per 100 miles |
|---|---|---|
| I-95 | 284 | 14.88 |
| I-20 | 208 | 13.52 |
| I-5 | 186 | 13.47 |
| I-75 | 237 | 13.27 |
| I-35 | 197 | 12.56 |
Source: The Zebra’s 2019 FARS-based analysis ranking highways by fatalities per 100 miles.1
The headline number here is I-95: 284 fatalities in 2019 and 14.88 fatalities per 100 miles.1 That is why I-95 is so often described as the deadliest U.S. highway in articles that emphasize raw burden or rate per 100 miles rather than mile-for-mile concentration.
That is not hard to understand structurally. I-95 is a very long corridor with:
- major East Coast metro exposure,
- heavy freight movement,
- large commuter flows,
- and weather conditions that vary dramatically by region.13
The rest of that top group follows a similar logic:
- I-20 combines long-distance traffic and significant Southern corridor exposure.1
- I-5 links dense West Coast population and freight corridors.1
- I-75 mixes Florida traffic with a long north-south spine into the Midwest.1
- I-35 serves major central freight and population routes.1
The same analysis also reported that 59% of the top 10 most dangerous highways were north-south roads.1 That does not prove that north-south highways are inherently more dangerous. It does suggest that long vertical corridors often stack together multiple metro areas, freight routes, and climate zones.
This is also where recent trend context matters. The same source said U.S. traffic fatalities rose 7.2% from 2019 to 2020 even though Americans drove fewer miles early in the pandemic period, and it cited a 2020 fatality rate of 1.37 per 100 million vehicle miles traveled, the highest since 2007.1 That source treated 2020 as preliminary, so it should be read as a trend indicator rather than a final national judgment.
The practical reading of this section is different from the one above:
- I-4 is the better-known answer to “Which highway had the highest fatality concentration per mile in a cited study?”2
- I-95 is the better-known answer to “Which highway carried the biggest raw fatality burden and highest per-100-mile figure in the cited 2019 analysis?”1
Those are compatible findings, not contradictory ones.
State and Regional Hotspots
National highway lists are useful, but they can blur where the risk actually clusters. This section separates state burden, segment hotspots, and per-capita measures, because those are different ways of describing danger.
Florida is overrepresented in several discussions
Florida stands out most clearly in the Teletrac per-mile analysis, where it placed four highways in the top 10: I-4, Route 192, Route 92, and I-95.2
Secondary summaries also repeatedly flag Florida corridors beyond I-4. A later law-firm article described I-95 as especially hazardous in Florida, including around Jacksonville and Miami-area urban segments, and singled out US 1 as dangerous in South Florida and toward the narrowing route into the Florida Keys.3 Outside’s road-hazard roundup similarly describes Florida’s US-1 as risky because of the combination of volume and geography, with many mixed-ability drivers dealing with repetitive stops, starts, and constrained routing.5
What can be said confidently from this evidence is modest: Florida appears often because several different sources identify a mix of:
- high-volume metro corridors,
- interchange-heavy urban driving,
- and, on some routes, difficult geography or heavy visitor traffic.235
That is different from saying Florida highways are always the deadliest nationally. The sources do not support that blanket claim.
I-95 is not one uniform risk zone
I-95 is best understood as a chain of different driving environments under one highway number.
The law-firm summary cited above describes I-95 as especially hazardous in:
- Florida, including around Jacksonville and Miami-area urban segments,
- and the Northeast in winter, where snow, ice, and visibility loss change the road environment.3
That fits the broader logic of the route. I-95 runs through dense urban belts, freight corridors, and multiple weather regimes. A single “I-95 is the most dangerous” headline tends to flatten those differences.
Texas shows up both in rankings and in corridor crash burden
Texas appears repeatedly in the evidence, but again under different measures.
In the Teletrac per-mile ranking, I-45 and I-30 both appear in the top 10, with I-45 reaching 0.913 deaths per mile.2
Separately, a law-firm article citing a Texas Department of Transportation corridor fact sheet said the Texas stretch of I-20 saw 55,926 crashes from 2015 through 2021.4 That figure is useful as a sign of heavy crash burden, but it is not directly comparable to a national fatality-per-mile or fatality-per-100-mile ranking.
Texas also recurs, alongside California and Florida, in summaries about states with many dangerous highway segments or high fatality burden.16
Per-capita state and county figures are a different measure entirely
One insurance analysis adds yet another layer by looking at crashes per 100,000 people rather than named highways. Under that measure, Wyoming, New Mexico, and South Carolina were identified as the states with the highest crash rates, while Hillsborough County, Florida was cited as the county with the highest fatalities per 100,000 people.1
Those figures are important, but they should not be read as if they were interchangeable with route rankings. A state with a high crash rate per capita is not automatically home to the nation’s top fatality-per-mile highway, and a county fatality rate does not tell you which specific highway segment is driving the result.
What this means for trip planning
If a headline says a road is among America’s most dangerous highways, ask two follow-up questions:
- What metric is being used?
- Is the risk concentrated on the whole route, or mainly in particular segments?
That matters because:
- I-4 is a per-mile concentration story.2
- I-95 is a burden and corridor-length story.1
- I-20 in Texas is also a crash-volume story in the corridor fact-sheet reference.4
- Wyoming or New Mexico are per-capita state-burden stories, not route rankings.1
The repeated state pattern in this evidence is still useful: Florida, Texas, and California recur because they combine population, freight, tourism, and major corridor mileage. But the evidence is strongest when it is read at the segment and metric level, not as one sweeping national map.
Scenic and Remote Highway Risks
Not every dangerous road is dangerous for the same reason. Some roads are repeatedly cited not because they dominate fatality tables, but because the driving task itself is unusually demanding.
That is a different category from the interstate rankings above.
Million Dollar Highway, Colorado
The Million Dollar Highway, part of US 550 between Ouray and Silverton, is one of the clearest examples.56 Secondary sources describe it as dangerous because it combines:
- a narrow two-lane mountain road,
- cliff edges and steep drop-offs,
- and sections with no guardrails.56
Move.org described the key stretch as about 25 miles between Ouray and Silverton.6 Whether or not it ranks near the top nationally for total deaths, the route is widely treated as hazardous because errors can have severe consequences.
Dalton Highway, Alaska
The Dalton Highway is dangerous for almost the opposite reason: isolation.
Outside describes it as a 414-mile Alaskan route that crosses the Arctic Circle at milepost 115 and is mostly gravel, with very few services.5 Move.org also highlights its extreme conditions and remoteness.6
The hazard here is not just the road surface. It is the combination of:
- long distances without help,
- Arctic weather,
- industrial traffic,
- loose or rough surface conditions,
- and the logistical consequences of even a minor breakdown.56
Tail of the Dragon
US 129, commonly called the Tail of the Dragon, is famous for 318 curves in 11 miles.56
That number tells the story. The road attracts motorcyclists and performance-oriented drivers, so the challenge is both geometric and behavioral. Tight curves become more dangerous when confidence outruns skill.
Hana Highway, Hawaii
The Hana Highway is another route that is dangerous in a technical, low-speed way rather than an interstate way. Outside describes it as roughly 64.4 miles with more than 600 curves and more than 50 one-lane bridges.5
This is not a high-speed freight corridor. It is a narrow, constantly turning scenic route where patience, visibility, and bridge etiquette matter far more than interstate-style flow.
US-285 in West Texas
Move.org also singles out US-285 in West Texas, sometimes nicknamed the “Death Highway,” because of truck crashes near the Permian Basin.6
That makes it a useful bridge case between scenic hazards and statistical corridor danger. The road is not famous for cliffs or tourism; it is often flagged because the traffic mix itself can be punishing.
Why these roads belong in a separate category
AAA’s Jake Nelson gives the best framing in the evidence set: a road becomes dangerous when speed, design, and driver behavior collide.5
That helps explain why these very different roads can all be described as dangerous:
- I-4 for dense, high-conflict urban traffic,2
- I-95 for long-corridor burden and mixed conditions,13
- Million Dollar Highway for cliffs and no guardrails,56
- Dalton Highway for remoteness and limited support,56
- Tail of the Dragon for extreme curvature,56
- Hana Highway for constant turning and narrow bridges.5
So yes, non-interstates can be dangerous too. But they are often dangerous in a different framework from the fatality-rate studies.
Key Risk Factors Behind Fatalities
The route names change, but the causes cited across these studies are strikingly consistent. The sources differ in quality and purpose, yet they repeatedly point to the same broad set of risks.1345
Speeding and aggressive driving. The insurance and law-firm summaries repeatedly identify speed and reckless maneuvers as major contributors.134 On a dense interstate, speed shrinks reaction time and raises crash energy. On a mountain road, it can turn a small mistake into a catastrophic one.
Alcohol and drug impairment. Impairment appears across multiple summaries as a recurring factor in serious highway crashes.134 That is especially consequential on high-speed corridors or where lane changes and merge decisions come quickly.
Distracted driving. Outside cites more than 3,200 traffic fatalities linked to distracted driving in 2023 and quotes AAA’s warning that high speeds, limited visibility, tight curves, and distracted or impaired driving are a “recipe for tragedy.”5 Phones get most of the attention, but distraction also includes navigation input, food, conversation, and daydreaming.
Reduced seat belt use. In its discussion of the 2019–2020 fatality increase, the insurance analysis cited reduced seat belt use as one suspected contributor, alongside speeding and impairment.1 That is a trend note, not a route-by-route finding, but it matters because restraint use strongly affects whether a crash becomes fatal.
Infrastructure and road design. Interchanges, merge zones, curves, and complex traffic patterns show up repeatedly in the cited summaries.345 A highway can be wide and modern and still be dangerous if the conflict points come too fast.
Truck traffic and traffic mix. Truck exposure is cited especially in discussions of long corridors such as I-95, I-20, I-5, and roads like US-285.346 Freight-heavy roads create larger speed differentials, longer stopping distances, and more severe outcomes when crashes happen.
Weather and terrain. The evidence repeatedly points to weather and terrain as amplifiers rather than standalone causes. Examples include:
- Northeast winter conditions on I-95,3
- Colorado grades and mountain conditions,45
- and remote-weather exposure on roads like the Dalton Highway.56
Fatigue. Fatigue gets less attention than speeding or DUI, but it appears in the sources as a meaningful risk factor, especially where long-distance driving, truck traffic, or monotonous corridors are involved.4
High traffic volume. Some roads keep surfacing because they simply process enormous amounts of traffic. That does not cause crashes by itself, but it multiplies the number of interactions in which bad judgment, poor design, or poor conditions can matter.13
One route-specific detail is worth noting carefully. In Teletrac Navman’s I-4 breakdown, the source reported that fatality patterns on that corridor clustered around March, Sunday, and the 1 a.m. hour.2 That should not be generalized to every highway. It does suggest how risk can pile up where weekend travel, nightlife hours, fatigue, and impairment overlap.
The best way to read all of this is simple: fatal crashes on these roads usually happen when behavior, road design, traffic mix, and conditions line up badly at the same time.
Vehicle Checks Before High-Risk Drives
The ranking studies above tell you where severe outcomes have shown up in third-party analyses. They do not tell you how to reduce the odds that a minor vehicle issue turns into a dangerous roadside problem. For that, the guidance below comes from Road Listings’ own trip-prep articles, not from national fatality rankings.789
The highest-value pre-trip habit is still basic vehicle prep.
Start with tires. Road Listings’ long-drive gear guide argues that tires are the one check most drivers should do themselves before any trip over a few hundred miles.7
That means:
- Check pressure cold — after the car has been sitting about three hours.7
- Use the number on the driver’s door-jamb sticker, not the maximum pressure molded into the tire sidewall.7
- Remember that warm tires can read 4–6 psi higher than cold ones.7
Then check tread depth:
- Quarter test: if the top of Washington’s head is visible, tread is about 4/32” and considered borderline for a long trip, especially in wet or mountainous conditions.7
- Penny test: if Lincoln’s head is fully visible, tread is about 2/32”, meaning the tire is legally worn out.7
On roads associated with rain, winter conditions, or long mountain grades, worn tires are not a cosmetic issue. They directly affect braking and hydroplaning resistance.
Check the basic fluids. The same Road Listings guide recommends checking:
- engine oil,
- coolant,
- and washer fluid before departure.7
That matters more than it sounds. Summer interstate driving, mountain grades, and bug-heavy windshield conditions can stress cooling and visibility faster than normal local driving.
Pay attention to the battery. If the battery is three years old or more and the car has shown slow cranking, test it before the trip.7 A weak battery is irritating at home and much more expensive in time when you are stranded far away.
Carry a short, useful roadside kit. Road Listings recommends a smaller, practical kit rather than a bloated one.7 The core items are:
- 12V tire inflator
- jumper cables or a jump starter
- reflective triangles or flares
- flashlight
- basic tool kit
- water
- vehicle registration and proof of insurance
- roadside-assistance contact saved offline7
Carry enough water for the route type. Road Listings gives a workable baseline of:
- half a gallon per person for a breakdown in moderate temperatures,
- one gallon per person per day as a survival rule,
- and more in desert heat.7
That becomes especially important once you move away from population centers. On remote corridors, water is cheap insurance.
Match the kit to the road. An ordinary interstate trip through populated areas may not require much beyond the basics. A remote drive is different. Road Listings’ US-93 guide recommends offline maps or a paper map, extra water, and a roadside kit because AAA response in rural Nevada can take 2 to 4 hours.8
The goal is not to prepare for every imaginable disaster. It is to prevent the common ones — low tire pressure, weak batteries, low fluids, poor visibility at night, dead phones, and slow help — from becoming serious problems on roads that already demand attention.
Practical Driving Tips for Risky Routes
Preparation should match the type of road you are actually driving. This section again draws on Road Listings’ route-planning guides and the defensive-driving advice summarized by AAA, rather than on the highway ranking studies themselves.5789
Respect fatigue before it announces itself. Road Listings suggests capping a normal long day at about 500 miles as a practical fatigue guardrail.7 That is not a law of nature, but it is a sensible planning limit. Drowsy driving degrades scanning, reaction time, and judgment long before many drivers admit they are tired.
That matters on all of the road types discussed in this article:
- long, repetitive corridors,
- merge-heavy urban interstates,
- remote two-lane highways,
- and scenic roads that require constant technical attention.
Prepare differently for remote highways. For remote drives, the priority is self-sufficiency:
- download offline maps,
- bring extra water,
- carry a tire inflator and roadside kit,
- know your fuel gaps,
- and assume help may be slow.8
Road Listings’ US-93 guide is explicit on this point. It says roadside-assistance waits in rural Nevada can run 2 to 4 hours, cell coverage is intermittent, and summer temperatures between Las Vegas and Caliente regularly exceed 105°F.8 In that context, the route guide recommends carrying at least two gallons of water per person in summer.8
Prepare differently for winter or mountain sections. The same US-93 guide says mountain sections in winter are not recommended without AWD, snow tires, and current road reports.8 That is a good example of route-specific planning: a corridor that is manageable in fair weather can become a bad idea in winter.
Treat scenic roads as slow roads, not shortcuts. Road Listings’ Blue Ridge Parkway guide offers a useful counterexample to interstate thinking. The parkway has a 45 mph speed limit for the entire length, no gas on the parkway, spotty cell service, common cyclist presence, and frequent winter closures.9
That means the right way to drive it is not to “make time.” It is to accept:
- slower speeds,
- limited services,
- and the need to check closures before leaving.9
Use simple defensive habits everywhere. AAA’s advice, as summarized by Outside, is not complicated: slow down, leave space, avoid distractions, and prepare for conditions.5 On dangerous corridors, basic habits have outsized value:
- Slow down
- Leave more following distance
- Expect bad merges near exits and interchanges
- Take breaks before you feel cooked
- Keep the phone out of your hand
- Obey posted limits5
Drive the conditions, not the headline. A route’s reputation should change your alertness, not replace judgment.
For example:
- On I-95 in winter, extra following distance and a lower speed margin matter because visibility and braking conditions can deteriorate quickly.3
- On I-4, dense traffic and interchange complexity argue for lane discipline and very low distraction.23
- On the Million Dollar Highway, the safe move is slower, calmer, fully focused driving, not “keeping up” with locals or faster traffic.56
- On the Blue Ridge Parkway, obeying the 45 mph pace and checking closures matters more than making schedule.9
Always verify current conditions independently. This may be the most important practical point in the whole article. Fatality studies lag real time. A road that looked bad in a 2019 or 2016–2019 study may now have active construction, changed traffic patterns, storm damage, or temporary closures.
Before any long or high-risk drive, check:
- state 511 or DOT reports,
- weather,
- closure notices,
- and service gaps on the route you are actually taking.89
Rankings are useful for awareness. Safer travel comes from combining that awareness with conservative planning, basic vehicle prep, and realistic driving habits.
Is I-95 or I-4 the most dangerous U.S. highway?
It depends on the metric.
In the 2019 FARS-based analysis from The Zebra, I-95 led by fatalities per 100 miles and raw deaths, with 284 fatalities and 14.88 deaths per 100 miles.1
In Teletrac Navman’s 2016–2019 analysis of interstate and U.S. numbered highways by fatalities per mile, I-4 ranked first at 1.134 deaths per mile over 132 miles.2
A later law-firm summary also placed I-4 first by fatal crash rate for 2019–2023, but that source is less methodologically transparent than the Teletrac table.3
So the careful answer is: I-95 leads one commonly cited burden-based ranking, while I-4 leads a commonly cited per-mile ranking.
Why do Florida highways rank high?
Florida appears repeatedly because it is heavily represented in the best-known per-mile ranking in the evidence set. Teletrac Navman placed I-4, Route 192, Route 92, and I-95 in its top 10.2
Secondary summaries also flag Florida corridors such as US-1, I-95 urban segments, and Central Florida routes because of combinations of traffic volume, interchange-heavy driving, and difficult geography on some stretches.35
That supports a cautious conclusion: Florida shows up often in these studies and summaries, especially for short, high-intensity corridors, but the evidence does not support saying Florida highways are always the deadliest nationally.
What gear is essential for remote risky drives?
For remote drives, prioritize items that solve ordinary breakdown problems:
- tire inflator
- jumper cables or jump starter
- reflective triangles
- flashlight
- basic tools
- water
- registration and proof of insurance
- roadside-assistance info saved offline7
On isolated routes, add offline maps or a paper map and extra water. Road Listings’ US-93 guide recommends those because cell coverage is intermittent and AAA response in rural Nevada can take 2 to 4 hours.8
How have fatality trends changed recently?
The strongest trend figure in this evidence is the jump from 2019 to 2020.
The Zebra’s FARS-based summary reported a 7.2% increase in fatalities from 2019 to 2020 despite fewer miles driven early in the pandemic period, and it cited a 2020 fatality rate of 1.37 per 100 million vehicle miles traveled, the highest since 2007.1
That source treated 2020 as preliminary, so the safest reading is directional: lower traffic volume did not automatically mean safer driving.
Are scenic roads like Million Dollar Highway statistically deadlier?
Not necessarily in the same way as I-95 or I-4.
Roads like the Million Dollar Highway, Dalton Highway, Tail of the Dragon, and Hana Highway are often labeled dangerous because of curves, cliffs, narrow lanes, remoteness, missing guardrails, weather, or limited services.56
That is a different framework from a fatality leaderboard built from deaths per mile or fatalities per 100 miles. A scenic or remote road can be more intimidating and more technically demanding without producing the same nationwide fatality totals as a huge interstate corridor.
Bottom line: the evidence does not support one neat master ranking of America’s most dangerous highways. What it does support is a more useful conclusion: I-95 repeatedly shows up when analysts look at overall fatality burden, while I-4 repeatedly shows up when analysts look at fatality concentration per mile.12 Those are different lenses on risk.
For drivers, the real value is not memorizing a headline. It is recognizing the patterns behind the numbers — congestion, interchanges, freight traffic, weather, fatigue, distraction, speed, and remoteness — and preparing accordingly. Check the car, match your gear to the route, verify current conditions independently, and treat old ranking data as awareness, not prediction.5789
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The Zebra, “The 10 Most Dangerous Roads in the U.S.” Uses 2019 NHTSA FARS data to rank highways by fatalities per 100 miles; also reports 2019–2020 fatality trend figures and state/county per-capita measures. Updated July 20, 2026, but core ranking figures are based on 2019 data. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Teletrac Navman, “Most Dangerous Roads in America Infographic.” Analyzes 2016–2019 NHTSA fatality data for interstate and U.S. numbered highways, ranking routes by fatalities per mile and listing deadliest cities and time patterns. Updated April 22, 2021. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Wagner Reese, LLP, “The Most Dangerous Highways in the United States.” Law-firm summary citing 2019–2023 FARS data; useful as a secondary summary, but it does not provide a fully transparent, uniform comparison table across all routes. Updated May 27, 2026. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Gemma Law, “What Are the Most Dangerous Highways in America?” Secondary summary discussing common crash factors and citing a TXDOT corridor fact sheet for the I-20 crash total in Texas. ↩↩↩↩↩↩↩↩↩↩
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Outside, “The Most Dangerous Roads in the U.S. (And How Best to Drive on Them).” Updated December 18, 2025. Provides AAA commentary on how speed, design, and driver behavior combine, plus descriptive hazard examples for scenic and remote roads. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Move.org, “The 10 Most Dangerous Roads in the US.” Published July 18, 2022. Promotional/secondary roundup useful mainly for descriptive route examples, not as a standardized statistical ranking. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Road Listings, “Check Tires and Carry Basics Before Long Drives.” Published July 5, 2026. First-party practical guidance on tires, fluids, battery checks, water, and essential roadside gear. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Road Listings, “US-93 Crosses High Desert Without Interstate Crowds.” Published July 1, 2026. First-party route guide covering fuel gaps, summer heat, offline maps, and 2–4 hour roadside-assistance delays in rural Nevada. ↩↩↩↩↩↩↩↩↩↩
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Road Listings, “Blue Ridge Parkway Takes 10.5 Hours at 45 MPH.” Published July 9, 2026. First-party route guide covering the parkway’s 45 mph limit, lack of fuel on the route, spotty cell service, cyclist presence, and closure planning. ↩↩↩↩↩↩↩


