| Pennsylvania Turnpike: Key transportation route within the state of Pennsylvania and a vital link in the network of the eastern United States. |
| Coalition for Alternative Transportation: Dedicated to curbing reliance on the automobile. |
| Hawk Logistics: Nationwide transporter specializing in the transportation and disposal of all types of hazardous and residual wastes. |
| Maryland and Pennsylvania Railroad Preservation Society: Aims to preserve the heritage of the renowned and historic "Ma & Pa Railroad". |
| PA DMV: General information of the department of motor vehicles. Site is not affiliated with the Commonwealth of Pennsylvania Department of Motor Vehicles. |
| PennDOT Electronic Bidding System: Information for contractors on road construction proposals. Includes notice to contractors, bid schedule of prices and addenda, proposal text and real-time bid letting results. |
| Pennsylvania Rails to Trails: Interactive maps allow for easy location of trails; also a searchable database of active and defunct rail lines. |
| Route 21 Corridor Improvement Project: A highway project for rebuilding Traffic Route 21 (S.R. 0021) between Waynesburg and Uniontown. Includes progress reports, maps and photographs. |
| Save Our Transit: Grassroots organization lobbying to get more money for public transportation into the Governor's budget. Learn about fare hikes, initiatives, and view photos. |
| Save TRANSIT Coalition: Advocacy group working to get the General Assembly to dedicate SEPTA and Pennsylvania public transit funding. |
| The American Society of Transportation & Logistics: Professional organization founded in 1946 by a group of industry leaders to insure a high level of professionalism and promote continuing education in the field of transportation and logistics. |
| The Pennsylvania Transportation Institute: Multidisciplinary research institute that conducts innovative and relevant research directed toward current and future transportation needs. |
| Transportation Engineering and Safety Conference: Design Tools: Accredited programs for design professionals and anyone interested in the design and use of everyday space in Pennsylvania. |
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