The Keystone Avenue interchange with Interstate 80 will be CLOSED April 26th through the 29th as part of an N-DOT project to resurface and enhance the interstate. Between 9 p.m. Friday, through Monday, at 5 a.m.,  Keystone Avenue will be closed between Seventh and Fifth streets. All I-80 ramps to and from Keystone Avenue will also be closed. The westbound North Sierra/Virginia Street on ramp to westbound I-80 will also be closed. Traffic detours will be marked. The weekend closures will allow for paving of the entire interchange, as well as installation of new traffic sensors to help smooth traffic through nearby traffic signals.