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Diamond grinding is a pavement preservation technique that corrects a variety of surface imperfections on both concrete and asphalt concrete pavements. Most often utilized on concrete pavement, diamond grinding is typically performed in conjunction with other concrete pavement preservation (CPP) techniques such as road slab stabilization, full- and partial-depth repair, dowel bar retrofit ...
California Department of Transportation (Caltrans) Characteristics; Design: Concrete-steel precast segment viaducts, dual steel orthotropic box beam self-anchored suspension main span, cast-in-place reinforced concrete transition connector: Total length: 2.2 mi (3.5 km) Width: 258.33 ft (78.74 m) Height: 525 ft (160 m) (SAS) Longest span
Caltrans manages the state's highway system, which includes the California Freeway and Expressway System, supports public transportation systems throughout the state and provides funding and oversight for three state-supported Amtrak intercity rail routes (Capitol Corridor, Pacific Surfliner and San Joaquins) which are collectively branded as ...
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]
It included many modern features, including banked turns, guard rails and reinforced concrete tarmac. [13] Traffic could turn left between the parkway and connectors, crossing oncoming traffic, so it was not a controlled-access highway (or "freeway" as later defined by the federal government's Manual on Uniform Traffic Control Devices ).
It is developed by the California Department of Transportation (Caltrans) Division of Safety Programs "in substantial conformance to" the national Manual on Uniform Traffic Control Devices developed by the Federal Highway Administration. The first edition of the CA MUTCD was published in 2006, replacing an earlier supplement to the national MUTCD.
This test is used by Caltrans for pavement design, replacing the California bearing ratio test. Many other agencies have adopted the California pavement design method, and specify R-Value testing for subgrade soils and road aggregates.
The California Business, Transportation and Housing Agency (BTH) was a state cabinet-level agency in the government of California.It was superseded by the new California State Transportation Agency on July 1, 2013.