The Shinkansen is very reliable thanks to several factors, including its near-total separation from slower traffic.

Many freeways do not allow slower traffic, such as bicycles and pedestrians, to enter them.

"No," he replied as he hooked the van around the slower traffic.

He knew bad roads could be avoided, slower traffic passed, destinations reached because signposts marked the way.

The basic principle is "slower traffic keeps to the outside; faster traffic to the inside".

At that time, airlines were not under as much pressure from slower traffic, higher fuel costs and tighter economic times.

With two laps to go, Unser approached slower traffic.

The result has been slower traffic, fewer accidents, and shorter trip times.

The lane designated for slower traffic is on the left.

He slashed his way through the slower traffic and drew in on the leader.