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  2. Highway Capacity Manual - Wikipedia

    en.wikipedia.org/wiki/Highway_Capacity_Manual

    The first edition of the Highway Capacity Manual was released in 1950 and contained 147 pages broken apart into eight parts. It was the result of a collaborative effort between the Transportation Research Board (TRB) and the Bureau of Public Roads, the predecessor to the Federal Highway Administration. [1]

  3. Level of service (transportation) - Wikipedia

    en.wikipedia.org/wiki/Level_of_service...

    The following section pertains to only North American highway LOS standards as in the Highway Capacity Manual (HCM) and AASHTO Geometric Design of Highways and Streets ("Green Book"), using letters A through F, with A being the best and F being the worst, similar to academic grading. A: free flow. Traffic flows at or above the posted speed ...

  4. California Manual on Uniform Traffic Control Devices

    en.wikipedia.org/wiki/California_Manual_on...

    In 2000, Caltrans and the California Traffic Control Devices Committee undertook an effort to reconcile the Traffic Manual with the national MUTCD. In 2004, these efforts resulted in the adoption of the 2003 edition of the national MUTCD along with a California supplement, [ 2 ] which replaced various chapters of the 1996 Traffic Manual ...

  5. California State Transportation Agency - Wikipedia

    en.wikipedia.org/wiki/California_State...

    The California State Transportation Agency (CalSTA) is a state cabinet-level agency with the government of California.The agency is responsible for transportation-related departments within the state. [1]

  6. Transportation in California - Wikipedia

    en.wikipedia.org/wiki/Transportation_in_California

    California's vast terrain is connected by an extensive system of freeways, expressways, and highways, all maintained by the California Department of Transportation (Caltrans) and patrolled by the California Highway Patrol (CHP), except for the numbered expressways in Santa Clara County which were built and maintained by the county itself.

  7. California Transportation Commission - Wikipedia

    en.wikipedia.org/wiki/California_Transportation...

    The CTC mission statement, adopted May 19, 2010, is as follows:. The California Transportation Commission is an independent public agency dedicated to ensuring a safe, financially sustainable, world-class multimodal transportation system that reduces congestion, improves the environment, and facilitates economic development through the efficient movement of people and goods.

  8. List of state highways in California - Wikipedia

    en.wikipedia.org/wiki/List_of_state_highways_in...

    For example, the I-80/I-580 concurrency, known as the Eastshore Freeway, is only listed under Route 80 in the highway code while the definition of Route 580 is broken into non-contiguous segments. When a highway is broken into such segments, the total length recorded by Caltrans only reflects those non-contiguous segments and does not include ...

  9. California Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/California_Department_of...

    The enactment of the Collier–Burns Highway Act of 1947 after "a lengthy and bitter legislative battle" was a watershed moment in Caltrans history. [12] The act "placed California highway's program on a sound financial basis" by doubling vehicle registration fees and raising gasoline and diesel fuel taxes from 3 cents to 4.5 cents per gallon.