Rules
Accessible backroads, which historic highways meet ADA and state standards
Backroad routes in the US meet ADA and state DOT rules unevenly, from Pacific Coast Highway overlooks to the Kancamagus Highway in New Hampshire.
Topic
state dot
Rules
How NPS and state DOTs close Rocky Mountain passes each season
Scenic road trips in the Rockies depend on NPS and state DOT closure schedules for Going-to-the-Sun Road, Tioga Pass and the Million Dollar Highway.
Rules
Route 66 compared across eight states, from Illinois to California
Historic highways like Route 66 cross eight states, and speed limits, vehicle rules and preservation grants shift at every line. Here is what changes.
Rules
Small-town speed traps in the Deep South, what AAA and state DOTs say
Small-town road trips in the Deep South run past local speed traps, fine schedules and state DOT rules. Here is what AAA and the states say.