Motorists may just want to avoid Frank Scott Parkway East and Green Mount Road on Wednesday.
New traffic signals are scheduled to be activated at 8 a.m. Wednesday, the St. Clair County Highway Department said. The work is scheduled to take four hours.
During the work, the signals are set to be flashing red, creating a four-way stop, while Electrico, Inc. completes the transition to the new signals, the highway department said.
Congestion at the intersection is expected and motorists should consider alternate routes.