| Anil Verma Associates Inc: Design and manage the construction of transportation and civil projects. Areas of expertise include rapid transit system projects. |
| C & A Traffic Solutions: Traffic engineering consultancy specialising in road safety audits. United Kingdom. |
| David E. Wooster and Associates, Inc.: Providing engineering services including traffic and parking impact analyses, systems and corridor analyses, traffic control, roadway, intersection and parking design, and mitigation strategies. |
| Grove Miller Engineering, Inc.: Consulting traffic engineering firm that provides professional services to governmental and private clients throughout Central Pennsylvania. |
| J.M. Morales and Associates, P.C.: Consulting firm specializing in transportation and traffic engineering, highway safety, work zone design, and continuing education and training. |
| Livable Streets, Inc.: Transportation engineering and planning firm specializing in the design of streets that balance the needs of all users while enhancing the livability of communities and neighborhoods. |
| Mirai Associates: Transportation planning and consulting firm. Services include traffic engineering, travel forecast modeling, transit planning, and traffic design. |
| National Capital Engineers Limited: Engineering and transportation consulting services including transportation planning, traffic and parking, transit planning and road safety. Includes project websites. |
| Ontario Traffic Conference (OTC): Association of officials in Ontario, Canada, bringing together different fields of expertise relevant to traffic engineering. Administrative information, resources, articles. |
| Regina Webster and Associates Inc: Services include traffic engineering, intersection design studies, transportation planning, traffic data collection, and traffic studies. Includes project portfolio. |
| SRF and Associates: Provides professional traffic engineering and transportation planning consulting services to communities and private clients throughout New York State. |
| The Traffic Group, Inc.: Impact and capacity studies, planning and analysis. Overview on the company, its staff, careers, offices, services, clients, projects and news. |
| The Transpo Group: Offer transportation planning and traffic engineering to both public and private sector clients. Includes services documentation in pdf format. |
| Traffic Planning and Design, Inc.: Provides transportation engineering and related environmental services to state, municipal, and private clients. |
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