Know your risk before you drive
TripRisk estimates your per-trip fatality probability using federal crash data, real-time weather, and daylight conditions.
8.7M road segments · 190K crash records · All 50 states
Enter your route
Origin, destination, and departure time.
Compare options
Fastest, safest, and balanced with per-segment risk.
Drive informed
Choose the route that fits your risk tolerance.
What sets it apart
Real crash data, not heuristics
Built on NHTSA fatal crash records and FHWA traffic volumes — not crowd-sourced ratings. See the methodology.
Weather-aware
Rain, snow, and fog multipliers from Open-Meteo adjust your risk in real time.
Day and night adjusted
Nighttime driving is ~2x more dangerous. TripRisk adjusts based on your departure time.
Nationwide coverage
8.7 million road segments across all 50 states. Explore the map.
NHTSA FARS
Fatal crash records
FHWA HPMS
Traffic volumes
Open-Meteo
Weather conditions
OpenStreetMap
Road network
Free, open data. No account required. Learn more.