Runaway truck ramp
A runaway truck ramp is a traffic device that enables vehicles which are having braking problems to safely stop. It is typically a long, sand- o…
traffic rules
Roundabout
A roundabout is a kind of circular intersection in which the traffic continuously drives in one direction around a central island. The drivers a…
Road surface
A road surface or pavement is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or…
Roadway
The roadway or carriageway is a part of the public road intended for the movement of vehicles. The lane is intended for the traffic of cars, tru…
Ring road
A ring road is a road or a series of connected roads encircling a town, city, or country. The most common purpose of a ring road is to assist in…
