DETROIT – Construction on the Cadillac Avenue overpass above I-94 in Detroit will close freeway lanes for the weekend, and a few entrance and exit ramps indefinitely. Eastbound and westbound I-94 will be closed between I-75 and Conner Street starting at 9 p.m. Friday, March 12. Entrance ramps to westbound I-94 from Chalmers to Chene streets, and entrance ramps to eastbound I-94 from I-96 to Gratiot Avenue will begin closing at 7 p.m. on Friday. During the road closure, westbound I-94 traffic will be detoured to westbound Eight Mile Road, to southbound Gratiot Avenue, to westbound Gratiot Connector and then to northbound I-75 back to westbound I-94. AdEastbound I-94 traffic will be detoured to southbound I-75, to eastbound Gratiot Connector, to northbound Gratiot Avenue and then to eastbound Eight Mile Road back to eastbound I-94.