“As of July 2026, rock blasting operations for the I-70 Floyd Hill Project are now substantially complete,” CDOT writes in a statement. ‘Live lift’Now comes the next phase of the project, what CDOT calls the “live lift,” when the new elevated roadway is built over live traffic. CDOT believes Floyd Hill is still on track to open by 2029. The Hidden Valley/Central City Parkway roundabout construction will occur in multiple phases, with the first phase lasting through early 2027. “Crews also began construction of a noise wall along westbound I-70 in eastern Idaho Springs, west of the Veterans Memorial Tunnels.