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  2. State highways in Washington - Wikipedia

    en.wikipedia.org/wiki/State_highways_in_Washington

    All state highways are designated by the Washington State Legislature and codified in the Revised Code of Washington (RCW), namely Chapter 47.17 RCW. These routes are defined generally by termini and points along the route; WSDOT may otherwise choose the details, and may bypass the designated points as long as the road serves the general vicinity.

  3. K factor (traffic engineering) - Wikipedia

    en.wikipedia.org/wiki/K_factor_(traffic_engineering)

    The use of the K30 standard is mandated for the Highway Performance Monitoring System's comparisons of congestion. The K Factor also helps calculate the peak-to-daily ratio of traffic. K30 helps maintain a healthy volume to capacity ratio. [3] K50 and K100 will sometimes be seen.

  4. WSDOT updating Highway System Plan - AOL

    www.aol.com/news/wsdot-updating-highway-system...

    Dec. 4—OLYMPIA — The Washington State Department of Transportation held a virtual public meeting Thursday regarding its draft for the 2024 Highway System Plan update. According to the plan ...

  5. HPMS - Wikipedia

    en.wikipedia.org/wiki/HPMS

    Highway Performance Monitoring System, an annual report sent by each U.S. state's DOT to the FHWA; See also. HPM (disambiguation) This page was last edited on 21 ...

  6. Annual average daily traffic - Wikipedia

    en.wikipedia.org/wiki/Annual_average_daily_traffic

    In the United States, the amount of federal funding a state will receive is related to the total traffic measured across its highway network. Each year on June 15, every state's department of transportation (DOT) submits a Highway Performance Monitoring System (HPMS) report. [4]

  7. Washington State Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/Washington_State...

    WSDOT was founded as the Washington State Highway Board and the Washington State Highways Department on March 13, 1905, when then-governor Albert Mead signed a bill that allocated $110,000 to fund new roads that linked the state. The State Highway Board was managed by State Treasurer, State Auditor, and Highway Commissioner Joseph M. Snow and ...

  8. Active traffic management - Wikipedia

    en.wikipedia.org/wiki/Active_traffic_management

    A computerised system monitors the traffic flows and can set the best speed limit for the current flow of traffic and switch on speed limit signs mounted on gantries [6] up to 2 kilometres (1.24 mi) before an incident. [7] Operators can also monitor 150 [8] CCTV cameras [9] along the route and can control both the speed limits and information ...

  9. List of U.S. Routes in Washington - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Routes_in...

    The U.S. Routes in Washington are segments of the United States Numbered Highway System that are owned and maintained by the U.S. state of Washington through the Washington State Department of Transportation (WSDOT). The United States Numbered Highway System in Washington covers 1,870 miles (3,009.5 km) and consists of eight highways, divided ...