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WASHINGTONÌý— A fatal collision of two Union Pacific freight trains in Arkansas resulted from a fatigued engineer and conductor who were both likely asleep aboard one of the trains, federal investigators ruled Dec. 6.

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WASHINGTONÌý— The rapid developments in autonomous trucks that several companies are embracing will continue to require drivers inside the vehicles, the trucking industry’s chief representative told lawmakers on Capitol Hill on Dec. 6.

America’s service industries expanded in November at the fastest clip since October last year, putting the economy’s biggest sector on a robust growth path.

Determining the most efficient way for boosting funds for new and existing infrastructure projects will be a top priority for the Republican-led U.S. House next year, Speaker Paul Ryan (R-Wis.) said Dec. 5.

Self-driving vehicles present the biggest challenge for road planners since horse and buggies gave way to automobiles in the early 20th Century, Tennessee's transportation chief says.

Inch by inch, over about eight hours, some Kansas Turnpike overpasses are being elevated by at least a foot to make sure big freight trucks can pass underneath.

Congress has to come up with a short-term bill by Dec. 9 to keep the government funded, but a longer view of infrastructure needs was taking shape elsewhere in Washington. Keith Laing of The Detroit News joins TT's Eugene Mulero for a video preview ofÌýthe week ahead for trucking on Capitol Hill.

Funding for government agencies is expected to go beyond March in a bid to give Trump administration officials a voice in the congressional appropriations process next year, House Speaker Paul Ryan (R-Wis.) said Dec. 1.

Elaine Chao, President-elect Donald Trump’s choice for secretary of transportation, has the endorsement of the commercial transportation sector and would bring to the job nearly a decade of experience running a federal agency.