Ragan-Smith designs intersections and traffic signal installations for both public and private sector clients. In urban areas, the operation, capacity, and efficiency of the roadway system are determined by the design and control of intersections. Ragan-Smith has experience in both traffic analysis and design to provide maximum efficiency through the use of lane and traffic signal control, even in highly congested areas. Ragan-Smith engineers are familiar with the specifications for pavement marking, bike lanes, pedestrian and ADA compliance, and traffic signal components required in Tennessee and in area communities.