You have driven on a highway, street, or bridge TD&H’s transportation experts have designed. From planning through design and construction administration, our transportation services are designed with clients and users in mind.
TD&H offers a staff of professionals with a passion for creating safe and efficient transportation designs. TD&H facilitates the design process by coordinating with other in-house disciplines to adhere to federal, state, and local design criteria. Whether the project calls for roadway, railway, or other transit design, the professionals at TD&H strive to improve the quality of life through forward-thinking and cost-saving innovation.
TD&H specializes in community improvement projects such as bicycle/pedestrian pathways while being historic and environmentally sensitive to national parks and reservations. Since its incorporation in 1965, our track record proves it can integrate the diverse engineering disciplines required to implement each client’s vision.