First responders inspect a partially collapsed parking garage in Philadelphia on April 9. The April 8 collapse killed at least one construction worker, with two others still unaccounted for.

Groundbreaking is expected this spring for the $1.5-billion Brent Spence Bridge Corridor Project connecting Ohio and Kentucky over the Ohio River.

The rail extension in the West African nation will link up existing rail networks and will serve as a key segment in a planned international rail corridor.