SR 91 Toll Roll Corridor ImprovementVINCI HighwaysPROJECT OVERVIEW The SR-91 Corridor Improvement Program, better known as the SR-91 Toll Express Lanes, added regular lanes, tolled express lanes and connections.  It also improved interchanges, bridges, ramps and local streets.  JOA Group provided the Project Management component of the multi-disciplinary team for the SR-91 system s integration of the Electronic Tolling and …