A warning sign displaying the word message ABRUPT LANE EDGE
is added to MUTCD Figure 6F-4. The sign shall be diamond shaped with black letters on an orange background.
The sign shall be used where Section 1-07.23(1) of the Washington state department of transportation's standard specifications require warning signs to alert drivers about an elevation differential between lanes or between the outside lane and the shoulder.
[Statutory Authority: Chapter 34.05 RCW and RCW 46.36.030 [RCW 47.36.030]. 05-23-003, § 468-95-307, filed 11/3/05, effective 12/4/05.]