1) a procession of people on horseback or in carriages or vehicles (cavalcade)

2) a group of ships, vehicles etc traveling together for safety (convoy)

3) a person who drives vehicles (driver)

4) an area at the side of a road used for vehicles to park (lay-by)

5) (an area for) the parking of vehicles (parking)

6) a crash involving many vehicles (pile-up)

7) a number of people, vehicles etc moving forward and following each other in an orderly way (procession)

8) a line of people waiting for their turn (e.g. to enter a cinema, get on a bus); a line of vehicles waiting to proceed (queue)

9) a specially prepared way between places for the movement of vehicles and people (road)

10) for with smoke, exhaust fumes from vehicles etc (smog)