Construction of the new “L” stop coming to Wabash Avenue and Washington Street will shut down a Loop intersection and disrupt Downtown trains this weekend.

The intersection of Wabash and Washington will be closed to motorists from 9 p.m. Friday-6 a.m. Monday, the city’s Department of Transportation said.

Downtown “L” trains will also be rerouted.

• Orange and Brown Line trains will merge into one route between Kimball and Midway via the LaSalle/Van Buren stop.

• Green Line trains will operate between Harlem and 63rd via Wells and Van Buren.

• Pink Line trains will run between 54th/Cermak and Polk, then to the Racine Blue Line stop for connecting service to and from Downtown.

• Riders can transfer between elevated trains and Blue and Red line subways using the Harold Washington Library and Jackson stations.

The new stop at Washington and Wabash will “probably” open later this spring, transportation department spokesman Michael Claffey said.