Slower Traffic Keep Right Sign

MUTCD Section 2B.26 SLOWER TRAFFIC KEEP RIGHT Sign R4-3

Used to direct vehicles into an extra lane that has been provided for slow-moving vehicles on multi-lane roadways to reduce unnecessary lane changing.

If used, the SLOWER TRAFFIC KEEP RIGHT R4-3 sign should be installed just beyond the beginning of a multi lane pavement, and at selected locations where there is a tendency on the part of some road users to drive in the left lane or lanes below the normal speed of traffic. This sign should not be used on the approach to an interchange or through an interchange area.