dual carriageways
Split-lane main roads
Dual carriageways are roads with a physical barrier or central reservation separating traffic moving in opposite directions, typically with two or more lanes in each direction.
The term is British; Americans say divided highway.
The new dual carriageway cut travel time to London significantly.
- central reservationDivider between traffic directions
- crash barrierRoadside impact deflector
- asphaltPetroleum-based paving material
- road surfacePaved driving layer
- motorwayHigh-speed divided highway
divided · traffic · autobahn · freeway · exit · lay-by · service station · arterial road · expressway · median · traffic island · entry · overtaking · contraflow · speed limit · speed camera · road markings · traffic management
road configuration/lane structure
dual carriagewayscountry lanes
Narrow rural thoroughfares
back roads · narrow roads · dirt roads · unpaved roads · byways
dual, carriageway, duality, dualism, dualist, dualistic, dually, duel, duet