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The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States. Despite its name, the association represents not only highways but air, rail, water, and public ...
The Texas Legislature created the Texas Highway Department in 1916 to administer federal highway construction and maintenance. In 1975, its responsibilities increased when the agency merged with the Texas Mass Transportation Commission, [3] resulting in the formation of the State Department of Highways and Public Transportation. [4] [5] [6]
3.20: 5.15 US 190 in Copperas Cove: FM 116 in Copperas Cove: 2014: current A portion of the proposed Copperas Cove Loop, opened February 2014 SH 10 — — — — 1917: 1960 Became SH 99 (now US 377) SH 10: 8.60: 13.84 I-820 / SH 121 / SH 121 in Fort Worth: SH 183 in Euless: 1979: current Former routing of SH 183 SH 11
The culvert type and shape selection is based on a number of factors including requirements for hydraulic performance, limitations on upstream water surface elevation, and roadway embankment height. [2] The process of removing culverts to restore an open-air watercourse is known as daylighting. In the UK, the practice is also known as ...
On November 30, 1932, SH 144T was officially added to the state highway log. [5] On December 8, 1932, SH 144T was decommissioned as the construction on the section of SH 144 from Walnut Springs to Glen Rose was taken over and construction had started on it.
In addition to the construction of 43 permanent bridges, six temporary bridges were built, resulting in 2.3 million cubic feet (0.065 × 10 ^ 6 m 3) of bridge deck. [5] The project was designed by HNTB, [4] who provided professional engineering consultation throughout the construction, [15] which had begun in 2002 and was completed in December ...
State Highway 5 (SH 5) runs along the old route of U.S. Highway 75 at Howe into the city of Allen. SH 5 parallels US 75 along its length and runs alongside the former Houston and Texas Central rail line. SH 5 was created in 1959 when the new route of US 75 was established to the west. Historically, SH 5 extended into and through Plano and ...
SH 31 was a route proposed on October 9, 1917 to run from Waco northeast via Corsicana and Athens to Tyler, which remains the western portion of its current route to this day. [2] On November 27, 1922, the route had been extended northeast to Gladewater , replacing part of SH 15 so that SH 15 had only one route west of Gladewater.