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More state transportation agencies are using aerial drones, and overall commercial use of the devices is expected to continue to climb, though not as dramatically as predicted in 2017, recent reports say.

The last of 1,152 precast road panels for the lower deck of Seattle’s SR 99 tunnel was set into place on March 27, completing the 1.7-mile tube’s double-decked roadways.

Second-gen megabuilder engineered Chesapeake Bay, Bosphorus tubes

The Massachusetts Dept. of Transportation has approved a $205-million project to replace a timeworn steel-truss bridge along Boston’s historic Freedom Trail.

Fairfax County, Va., approved a makeover of the U.S. Route 1 corridor near George Washington’s Mount Vernon home.

Six months after Hurricane Maria hit Puerto Rico on Sept. 20, landslides, broken traffic lights and reconstruction traffic make Edgar Iñesta’s commute halfway across the 100-mile-wide island a slow crawl.