Hawes' responsibilities in the areas of transportation and environment included serving as Chair of the Streamside Setback Review committee, Chair of the Fraser Valley Aggregate Pilot Project, a member of the Burrard Thermal Options Committee, and the Small-Scale Salvage Review Committee.
As a key figure in transportation and environmental sectors, Hawes was instrumental in driving various initiatives, including chairing committees like Streamside Setback Review, leading the Fraser Valley Aggregate Pilot Project, contributing to the Burrard Thermal Options Committee, and serving on the Small-Scale Salvage Review Committee.