Plan offers two methods to determine inspection intervals. States could use one, the other, or a mix of both options.

Half of the total dollars went to rural projects, continuing a Trump administration emphasis.

Once considered an "impossible" project, Norway has settled on a design for a 5-kilometer-long floating bridge to cross the 550-meter-deep Bjørna fjord.

July 7 is 100th anniversary of trek that Eisenhower said helped shape his view of importance of highways.