Eastbound I-70 fully closed from I-270 to Brighton Boulevard for weekend work KMGH and last updated 2021-07-17 00:37:03-04 DENVER â Eastbound I-70 is fully closed between I-270 and Brighton Boulevard until 5 a.m. Monday as Central 70 Project work continues. The closure went into place at 10 p.m. on Friday to allow for final paving operations in the area. A detour is in place, which takes drivers up I-25, onto I-76 and then to I-270 before getting back onto I-70. Colorado Department of Transportation The Central 70 Project is almost finished constructing the new three-mile stretch of the interstate between Colorado Boulevard and Quebec Street.