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Before it was macadamized, stagecoaches travelling the Hagerstown to Boonsboro road in the winter had taken 5 to 7 hours to cover the 10-mile (16 km) stretch. [ 13 ] [ 14 ] This road was completed in 1823, using McAdam's road techniques, except that the finished road was compacted with a cast iron roller instead of relying on road traffic for ...
Tarmacadam is a concrete road surfacing material made by combining tar and macadam (crushed stone and sand), patented by Welsh inventor Edgar Purnell Hooley in 1902. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces invented by Scottish engineer John Loudon McAdam in the early 19th century.
TxDOT Highway Maps (2006) TxDOT Texas County Highway Maps (1998) Alternate TxDOT Texas County Highway Maps site (1994) (if the first one happens to not work) State Travel Map (2012) Texas State Library and Archives Commission - Map Collection Search. For "Place or Keyword", type in name of county or leave blank for statewide maps.
The Texas State Highway system was established in 1917 to create a structured network of roads that would enhance connectivity and support economic development across the state. The initial system included 22 state highways, many of which followed pre-existing trails and trade routes.
In 1921, Congress amended the Federal Aid to Roads Act of 1916 to require the states to take control of road design, construction, and maintenance of state highways by 1925. As a result, on January 1, 1924, the Texas Highway Department took full control of maintaining the state highways from the counties within which they resided.
Midland to 51, accidentally designated as 137; rerouted to end in Ector County in 1935 and was cancelled four months later (as it was not built yet), but was submitted as a "lateral road project" for possible restoration; completely restored by September 1936 with an extension to Kermit proposed a month later; construction completed in 1937 ...
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County roads in Texas (2 C) F. Freeways in Texas (2 C, 36 P) H. Historic trails and roads in Texas (7 C, 25 P) Roads in Houston (1 C, 24 P) R. Road incident deaths in ...