Long recognized for their expertise in design and engineering of operationally-reliable transportation facilities, our staff is engaged regularly by federal, state, and local agencies to help them develop design guidelines and manuals. Our authorship is evident in prominent documents such as, AASHTO design manuals, the Manual on Uniform Traffic Devices, TRB’s Highway Capacity Manual, and numerous state roadway manuals. Our design approaches are also featured in FHWA guidance and NACTO.