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2. Rail speed limits in the United States - Wikipedia

   en.wikipedia.org/wiki/Rail_speed_limits_in_the...

   [2] [3] [4] Following a 1987 train collision in Maryland, freight trains in high-speed areas were required to have speed limiters that could forcibly slow trains, rather than just alerting the operator through in-cab signals. In the Maryland crash, the signal panel had been partially disabled, including a muted whistle and a missing light bulb.

3. Intermodal Surface Transportation Efficiency Act - Wikipedia

   en.wikipedia.org/wiki/Intermodal_Surface...

   The Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA, / aɪ s ˈ t i /) is a United States federal law that posed a major change to transportation planning and policy, as the first U.S. federal legislation on the subject in the post-Interstate Highway System era.

4. Cab signalling - Wikipedia

   en.wikipedia.org/wiki/Cab_signalling

   CDU used on Metro-North is integrated with the speedometer indicating the train speed, and the signals indicate the speed limit. The ETCS driver machine interface. The cab display unit (CDU), (also called a driver machine interface (DMI) in the ERTMS standard) is the interface between the train operator and the cab signalling system. Early CDU ...

5. Texas Department of Public Safety - Wikipedia

   en.wikipedia.org/wiki/Texas_Department_of_Public...

   The Department of Public Safety of the State of Texas, commonly known as the Texas Department of Public Safety (DPS), is a department of the state government of Texas. The DPS is responsible for statewide law enforcement and driver license administration. The Public Safety Commission oversees the DPS.

6. How to check if your Texas driver’s license is Real ID-compliant

   www.aol.com/check-texas-driver-license-real...

   If you are flying in the spring of 2023 and do not have a Real ID-compliant driver’s license, fret not. The Department of Homeland Security has pushed back enforcement from May 3, 2023 to May 7 ...

7. Railroad Commission of Texas - Wikipedia

   en.wikipedia.org/wiki/Railroad_Commission_of_Texas

   The Texas Railroad Commission: Understanding Regulation in America to the Mid-Twentieth Century. (2005). 323 pp. the standard history; online review; Childs, William R. "Origins of the Texas Railroad Commission's Power to Control Production of Petroleum: Regulatory Strategies in the 1920s." Journal of Policy History 1990 2(4): 353–387. ISSN ...