Road signs in Brunei are generally circular with a white border and symbol on a blue background. They usually indicate something all drivers must do (e.g. keep left) or a facility available to certain classes of traffic (e.g. pedal cycles only). Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. They are usually shaped as triangles with a red border. Information signs are signs that may be mounted to indicate a certain condition or nature of the road ahead that motorists need to take note. They are independent of existing mandatory and prohibitive signs. Such
Washington State Route 411 of the road in 2007 were the SR 432 interchange in Longview, SR 411 Spur intersection in Kelso and the Alpha Drive intersection in West Side Highway, all with an estimated daily average of 17,000 motorists. The Nevada Drive junction in Kelso was the busiest segment in 1970, with an estimated daily average of 6,800 motorists. Between 1964 and 1991, SR 411 was longer and extended north to Vader, a city in Lewis County. The former route started at an intersection with PH No. 10 Road west of Castle Rock and traveled north as the West Side Highway, paralleling a