From roadway design to engineering and permitting of site access, egress, and parking facilities, CDW serves a range of clients and projects in the growing transportation market. Notable projects include bridge replacement projects managed by MassDOT, commuter rail projects including emergency response actions and environmental permitting, and rail trail transformation projects initiated by a variety of cities and towns throughout Massachusetts. In each of these cases, CDW provides transportation engineering expertise and experience including environmental permitting, delineating and flagging environmental resource areas, preparation of Dam Safety Permits, Water Quality Certificate Applications, environmental assessment and remediation, and hazardous materials abatement services.