Traffic Information: The King County Department of Transportation provides the Existing Arterial System Map, showing the adopted King County Classified Arterial Roadways, as well as online links to historic traffic count data across King County. The Federal Highway Administration provides text of the 1000+ page Manual on Uniform Traffic Control Devices Millennium Edition, online. This manual can be found on, and downloaded from, the MUTCD Web site at: http://mutcd.fhwa.dot.gov (external link).
Visit these sites to obtain traffic design information.
King County Road Standards: The 2007 King County Road Standards (KCRS) and drawings are available for viewing and printing by following links provided at the King County Department of Transportation, Engineering Services Section (on the left, under "Services by category," click on "Engineering").
The 1993 Standards (except for the drawings listed below) are also available at the KCDOT site for projects vested under the older standards.
1993 KCRS Drawings and Channelization Details are available in AutoCAD Rel. 12 or Acrobat PDF formats. Consultants can download a CAD drawing or Acrobat PDF file from the 1993 standards by using the pull-down menu below. Drawing files for the 2007 KCRS are available at the Engineering Services Section link above.
>>Downloading help
In addition, other standards referenced in the King County Road Standards that designers may need are published by and available at the Washington State Department of Transportation site (external link).
Professional Engineers: The Surface Water Design Manual and King County Road Standards, as adopted by Public Rule, require all engineering drawings to be prepared under the supervision of an engineer, licensed in Washington state. For information about licensed professional engineers in Washington state, see the state's Web site at www.dol.wa.gov/business/engineerslandsurveyors (external link).
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