US travel laws we map across all 50 states

Crosstatelaws is a free map of how everyday travel rules change when you cross a state line. Every topic, every state, leads with the number in the statute — age, ounces, VLT %, mph, fine — not “limits vary.” Each topic below has its own page for searches like “kratom banned states”, “Class 3 e-bike laws”, or “do I have to stop at a weigh station”. Open the live map to solo a layer and read the quoted rule.

Phrases that should find this site

• travel laws by state
• state line laws
• laws that change when you cross a state line
• road trip legal differences
• out of state travel rules
• duty to inform states
• are radar detectors legal
• max towing length by state
• can passengers drink in the car
• is it legal to sleep in your car
• cashless tolls by state
• nonresident hunting license cost
• out of state fishing license
• Canada border crossing rules
• Mexico border crossing TIP
• dirt bike helmet laws by state
• does a street plated dualsport need an OHV sticker
• plus “{topic} laws by state” for every layer below

Most-opened topics right now

These are the law pages travelers are already landing on. Each one is a full 50-state index with the statute number on every card.

• Duty to inform on a traffic stop
• Max tow combination length
• Radar / LIDAR detectors
• Cashless / plate-pay tolls
• Passengers in a towed RV / fifth-wheel
• Open container — can passengers drink?
• Sleeping in your car
• Handheld phone / distracted driving
• Kratom by state
• Concealed carry

Hunt and fish licenses are on the nonresident license map. Canada and Mexico are on the border guide. Data is curated weekly. See the legal disclaimer.