Law topics
US travel laws we map across all 50 states
Crosstatelaws is a free interactive map of how everyday travel rules change when you cross a state line. Open the live map to solo a layer, select your route, and read quoted rules with footnotes. This page lists every topic we currently track so search engines and travelers can find them.
Driving
- Seatbelt & truck bed — Who must buckle · cargo-bed passengers
- Seatbelt enforcement type — Primary vs secondary seatbelt stops
- Phone / distracted driving — Handheld phone rules
- Radar / LIDAR detectors — Passenger-vehicle radar detectors
- Motorcycle helmet — Helmet requirement
- Window tint — Front-side tint strictness (traveler risk)
- Child / booster seats — Child-restraint age/height climate
- Headlights with wipers — Wipers-on / lights-on rules
- EV HOV access — Solo EV / clean-vehicle HOV access
- Move-over law — Who you must move over for
- Speed enforcement climate — Practical enforcement intensity (not a statute)
Guns & knives
- Concealed carry — Carry permit framework
- Firearm transport in vehicle — Vehicle transport posture
- AW / mag bans affecting transit — Feature / magazine bans that can hit transit
- FOID / possession credentials — FOID-style possession cards
- Knife / blade carry — Automatic / length restrictions
- Magazine capacity limits — Magazine-capacity bans
- Long gun in vehicle — Rifle/shotgun in passenger cabin
Cannabis & alcohol
- Marijuana — Cannabis legality for travelers
- Open container / alcohol in vehicle — Open-container rules
- CBD / hemp vs THC — Intoxicating hemp / delta products
- Cannabis paraphernalia — Pipes / vapes / accessories
Overnight & parking
- Sleeping in vehicle — Car-sleep / camping risk (2024–2026 wave)
- Rest areas / overnight parking — Interstate rest-area overnight posture
Other travel
- Fireworks transport — Consumer fireworks
- Firewood / ag quarantine — Firewood & ag checkpoint risk
Data is curated weekly. Always confirm statutes before you travel. See the legal disclaimer and about pages.