DESCRIPTION OF WORK: This Contract provides for the improvement of and extension of Poplar Way over I-5, by clearing and grubbing, constructing a prestressed concrete girder bridge, trail overcrossing Structure, retaining walls, installing catch basins, storm water biofiltration units, membrane flow control devices, replacing water system, pavement planing, paving with HMA, beam guardrail, concrete traffic barrier, curb, gutter, sidewalk, traffic signal systems, illumination systems, ITS systems, permanent signing, pavement marking, landscaping, irrigation, erosion/water pollution control, traffic control and other Work, all in accordance with the attached Contract Plans, these Contract Provisions, and the Standard Specifications.