US Route 1 (North → South) The legendary coastal highway full of seafood shacks, weird roadside attractions, beach towns, traffic circles, and some of the best random detours on the East Coast.

MAINE: Fort Kent → Frenchville → Van Buren → Caribou → Presque Isle → Mars Hill → Houlton → Danforth → Topsfield → Baileyville → Baring → Calais → Perry → Pembroke → Dennsville → Whiting → East Machias → Machias → Jonesboro → Columbia Falls → Harrington → Cherryfield → Milbridge → Gouldsboro → Sullivan → Hancock → Ellsworth → Orland → Bucksport → Verona Island → Prospect → Stockton Springs → Belfast → Lincolnville → Camden → Rockport → Rockland → Thomaston → Warren → Waldoboro → Damariscotta → Newcastle → Edgecomb → Wiscasset → Woolwich → Bath → West Bath → Brunswick → Freeport → Yarmouth → Cumberland → Falmouth → Portland → South Portland → Scarborough → Saco → Biddeford → Kennebunk → Wells → York → Kittery