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
Frontage road Minnesota Drive Expressway (from West 100th Ave to Dimond Boulevard) in South Anchorage. Also, the George Parks Highway (Alaska Route 3) has two-way frontage roads running along it from the Trunk Road exit to the Seward Meridian Parkway exit (Fireweed Road on the south side and Blue Lupine Drive on the north side) in Wasilla. Frontage roads are not very common in Arizona but do exist along certain freeways. I-17 Black Canyon Hwy./Maricopa Fwy. is the oldest freeway in the Phoenix Metropolitan area to have a frontage road. Some sections of the frontage road was reduced to a single lane