Fatal Crash Data

I-45: fatal crashes in every state

From 2015 to 2024, 720 fatal crashes on I-45 killed 775 people across the 1 states it runs through, the 16th most of any interstate. In 2024 there were 73 fatal crashes and 79 deaths on the road.

285 miles in all; 25.26 fatal crashes a year per 100 miles. All interstates ranked.

I-45 by state: fatal crashes, deaths and per mile

Texas has the most fatal crashes on I-45, 720 from 2015 to 2024. Each state's stretch is counted within that state; the per-mile figure needs 20 miles or more of road.

StateFatal crashesDeaths2024MilesPer 100 miles a year
1I-45 in Texas7207757328525.26

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Mileage from the FHWA Interstate route log (table 1), the only figure here not counted from FARS.

Deaths on I-45 by year

20406080201620182020202220242022: 942024: 79
YearFatal crashesDeaths
20247379
20237073
20228894
20217485
20207685
20196970
20186669
20176170
20167579
20156871

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

When fatal crashes happen on I-45

The heaviest slot is Saturday, midnight to 4 am, with 60 fatal crashes from 2015 to 2024. The worst hour is 2 am to 3 am; the worst month is October.

Share of fatal crashes in I-45 by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun5.3 percent, 38 fatal crashes4.7 percent, 34 fatal crashes1.4 percent, 10 fatal crashes1.4 percent, 10 fatal crashes1.4 percent, 10 fatal crashes4.9 percent, 35 fatal crashes
Mon4.0 percent, 29 fatal crashes1.9 percent, 14 fatal crashes1.5 percent, 11 fatal crashes2.2 percent, 16 fatal crashes1.5 percent, 11 fatal crashes2.2 percent, 16 fatal crashes
Tue2.4 percent, 17 fatal crashes2.6 percent, 19 fatal crashes0.4 percent, 3 fatal crashes1.2 percent, 9 fatal crashes1.4 percent, 10 fatal crashes2.8 percent, 20 fatal crashes
Wed1.7 percent, 12 fatal crashes1.5 percent, 11 fatal crashes0.8 percent, 6 fatal crashes1.7 percent, 12 fatal crashes0.6 percent, 4 fatal crashes2.6 percent, 19 fatal crashes
Thu2.9 percent, 21 fatal crashes2.8 percent, 20 fatal crashes1.0 percent, 7 fatal crashes1.7 percent, 12 fatal crashes1.5 percent, 11 fatal crashes2.2 percent, 16 fatal crashes
Fri4.0 percent, 29 fatal crashes1.5 percent, 11 fatal crashes1.7 percent, 12 fatal crashes1.1 percent, 8 fatal crashes2.5 percent, 18 fatal crashes3.5 percent, 25 fatal crashes
Sat8.3 percent, 60 fatal crashes4.2 percent, 30 fatal crashes1.2 percent, 9 fatal crashes2.1 percent, 15 fatal crashes1.1 percent, 8 fatal crashes4.4 percent, 32 fatal crashes

By hour

By month

  • Jan8.6%
  • Feb5.6%
  • Mar8.8%
  • Apr8.1%
  • May9.3%
  • Jun8.1%
  • Jul6.5%
  • Aug9.3%
  • Sep8.5%
  • Oct9.4%
  • Nov8.9%
  • Dec9.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes on I-45 first hit

The first harmful event was a collision with another vehicle in 37%; a pedestrian in 24%, a fixed object such as a tree, pole or barrier in 22%, a rollover in 7.9%.

First harmful eventFatal crashesShare
Collision with another vehicle26637%
Pedestrian17624%
Fixed object (tree, pole, barrier, ditch)15822%
Rollover577.9%
Other344.7%
Parked vehicle253.5%
Cyclist40.6%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes on I-45 compare with the United States

A drinking driver was recorded in 30% of fatal crashes in I-45 from 2015 to 2024, above the US share of 26%; speeding in 28%, about the US share; a hit-and-run in 11%, above the US share of 6.5%; a driver recorded as distracted in 8.2%, about the US share; 50% of passenger-vehicle occupants killed with belt use known were unbelted, above the US share of 49%. Shares of fatal crashes from 2015 to 2024, against the share across all US roads.

I-45US
On rural stretches29%43%below the US share
In the dark, road unlit34%28%above the US share
A drinking driver30%26%above the US share
Speeding28%27%about the same as the US share
A distracted driver8.2%8.7%about the same as the US share
Occupants killed unbelted50%49%above the US share
Hit-and-run11%6.5%above the US share
A motorcycle involved13%16%below the US share
Pedestrians among the dead27%17%above the US share

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Questions about fatal crashes in I-45

How many fatal crashes have there been on I-45?
720 fatal crashes killed 775 people on I-45 from 2015 to 2024, across the 1 states it runs through. In 2024 there were 73 fatal crashes and 79 deaths.
Which state has the most fatal crashes on I-45?
Texas, with 720 fatal crashes and 775 deaths from 2015 to 2024. Per mile, Texas's stretch has 25.26 fatal crashes a year per 100 miles.
How dangerous is I-45 per mile?
25.26 fatal crashes a year per 100 miles over 2015 to 2024, on 285 miles of road. That is crashes per mile of road, not per vehicle: FARS records crashes, not traffic. I-45 ranks 16th of 68 interstates on this site by fatal crashes.
When do fatal crashes on I-45 happen most often?
The heaviest slot from 2015 to 2024 was Saturday, midnight to 4 am, with 60 fatal crashes.

Other interstates

The deadliest roads in America, every interstate ranked.

Where the I-45 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-45, in every state, with ramps, frontage and service roads left out. A fatal crash is one in which someone died within 30 days. The full method.