The City of Elk Grove retained PMC biologists to assist with a project extending Lewis Stein road to the south to Big Horn Boulevard.  Two concrete slab bridges were required in order for Lewis Stein Road to crossing the Laguna Creek bypass and historical channels.  In order to further the City's objectives of enhancing its citizens' recreational and non-vehicular transportation opportunities, the project design incorporated equestrian, bicyclist, and pedestrian trails.  Since the road extension crossed through the Laguna Creek floodplain, the project design included features, such as enhanced wildlife passage undercrossings, that minimized impacts to wildlife, including including the federally threatened giant garter snake (Thamnophis gigas).

PMC prepared a biological assessment for the project, and worked with state, federal, and local resource agencies to obtain a Section 401 water quality certification from the regional water quality control board, a Section 404 dredge and fill permit from the United States Army Corps of Engineers, a Section 1602 streambed alteration agreement from the California Department of Fish and Game, and a biological opinion from the United States Fish and Wildlife Service for potential impacts to the giant garter snake.