Causey(n.) A way or road raised above the natural level of the ground, serving as a dry passage over wet or marshy ground.
Thesaurus Entries
Autobahn, US highway, access, aisle, alleyway, ambulatory, aperture, arcade, arterial, arterial highway, arterial street, artery, autoroute, autostrada, avenue, belt highway, blind alley, boulevard, bypass, byway, camino real, carriageway, causeway, causey, channel, chaussee, circumferential, cloister, close, colonnade, communication, conduit, connection, corduroy road, corridor, county road, court, covered way, crescent, cul-de-sac, dead-end street, defile, dike, dirt road, drive, driveway, exit, expressway, ferry, ford, freeway, gallery, gravel road, highroad, highway, highways and byways, inlet, interchange, intersection, interstate highway, junction, lane, local road, main drag, main road, mews, motorway, opening, outlet, overpass, parkway, pass, passage, passageway, pave, paved road, pike, place, plank road, portico, primary highway, private road, railroad tunnel, right-of-way, ring road, road, roadbed, roadway, route nationale, row, royal road, secondary road, speedway, state highway, street, superhighway, terrace, thoroughfare, through street, thruway, toll road, township road, traject, trajet, tunnel, turnpike, underpass, wynd