The interchange at Routes 71 and 150 is being reconstructed as a single-point, urban interchange to accommodate increased traffic, and to provide better flow of vehicles exiting from Route 71 and turning left onto Route 150.

Progress to Date

Girders were set on the west outer road bridge and restriping southbound Route 71 to shift traffic to the left was completed Sept. 13; This week crews are pouring the deck for northbound mainline Route 71 bridge over Route 150 and will resume paving Route 150 beneath Route 71 as railroad signals are removed.

The east bridge on southbound Route 71 over Route 150 is complete.

Both the north and southbound lanes on Route 71 between just south of 140th Street and just north of 155th Street will continue as two lanes in each direction. Route 71 will be open to three lanes in each direction by summer 2010.

Construction process

Construction requires removal and replacement of both Route 71 bridges over Route 150.  One bridge is removed at a time, with traffic shifted to the other bridge and traffic placed head to head. Route 71 is  reduced to two lanes in each direction until both bridges have been replaced.

The west (southbound) bridge has been replaced and the Route 150 to southbound Route 71 ramp has re-opened. Next will be the southbound ramp from Route 71 to Route 150.