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One of the essential elements of infrastructure in the United States is the river lock. Most locks close off a 600- to 1,200-foot stretch of river and raise and lower the water in the sealed-off chamber.

Federal Motor Carrier Safety Administration officials said they will soon begin toughening oversight of the nation’s hazardous material carriers, closely monitoring their Compliance, Safety, Accountability scores on a monthly basis.

The U.S. Export-Import Bank’s charter will lapse next week if the Republican-led Congress follows a path outlined by Senate Majority Leader Mitch McConnell that would delay a vote on reauthorizing the bank until July.

WASHINGTON — Senate appropriators on June 25 voted to include a provision that would allow the use of twin 33-foot trailers nationwide in a fiscal 2016 transportation funding bill.

U.S. trade with Canada and Mexico dropped in April by the most this year, and freight carried by trucks declined, the Bureau of Transportation Statistics reported June 25.

WASHINGTON — A Senate panel on June 24 easily approved a six-year highway policy bill, advancing the measure to the full Senate. Lawmakers would need to act quickly on the bill as federal funding authority for transportation programs expires at the end of July.

The U.S. Senate approved legislation June 23 that would give President Obama enhanced authority to complete free-trade deals, including a landmark agreement with Pacific nations.