An overnight change to the lane configuration on the eastbound Ville-Marie Expressway may have some motorists scratching their heads this morning.

Transports Qu�bec has reopened the two left lanes of the expressway, and closed the right lanes.

One lane is closed between the Atwater Ave. exit and the Guy St. exit.

Two lanes are closed between the Guy St. exit and the tunnel.

The Guy St. exit is closed, along with the entrance to the expressway from Greene Ave.

The closures will be in effect until June 5.