McMahon was retained by Cardi Corporation to provide design services for maintenance of vehicular travel routes during the replacement of the Sakonnet River Bridge. This construction contract also included the reconstruction of Route 24 between Anthony Road in Portsmouth to Main Road in Tiverton. McMahon’s responsibilities included review of maintenance and protection of traffic plans for conformance with industry standards and accepted practices as well as design and production of maintenance and protection of traffic plans. The maintenance and protection of traffic plans reviewed and produced by McMahon included multiple lane shifts of both the northbound and southbound travel lanes of Route 24 in the vicinity of the Sakonnet River Bridge to accommodate various stages of bridge and roadway reconstruction. McMahon coordinated with the contractor, Cardi Corporation, to prepare the plans for submission to RIDOT.