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Rules of the Road

There are specific laws that regulate the way vehicles may use the public roadways, and a number of associated regulations, policies, and standards that provide guidance about correct placement of traffic control devices and other procedures.

RCW Chapter 46.61 provides the basic state laws that regulate the operation of vehicles, bicycles and pedestrians on public roadways.

Department Regulations

The State Traffic Engineer's Office is responsible for maintaining specific chapters of the Washington Administrative Code (WAC) that pertain to the following areas:

This Office is also responsible for approving traffic regulations on state highways, including the following: speed limits, bicycle prohibitions, truck restrictions, HOV lane designations, angle parking on state and Federal-Aid highways, and parking restrictions for park & ride lots and other parking facilities.

The Regional Administrators are responsible for approving other traffic regulations, including the following: permits for traffic signal installation, reduced regulatory speed limits in work zones, regulatory speed limits in rest areas, stop control on state highways, turn prohibitions, pedestrian prohibitions on partial access controlled highways, roadside parking restrictions, and prohibitions on fishing from bridges.



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