The pavement widths commonly adopted are :
Single lane : 3.75 m
Intermediate lane : 5.5 m
Two lane : 7 m
Four-lane (divided) : 2 × 7 m
Six-lane (divided) : 2 × 10.5 m
Roads can accommodate a certain number of vehicles per day if a comfortable speed is to be maintained. This is known as the capacity of the road (or more correctly design service volume).