- Athens Transit Department: The Athens Transit System, in Athens, Georgia, provides safe, economical and timely transportation for citizens throughout the Classic City.
- ACC Transportation and Public Works Department: Committed to ensuring a high quality of life for current and future generations living in Athens-Clarke County by providing safe and efficient roadways, bikeways, and walkways, traffic control and guidance systems, and Public stormwater collection and conveyance systems
- Oconee Rivers Greenway Commission: The Oconee Rivers Greenway Commission (ORGC) is a chartered citizen committee that advises the Athens-Clarke County Mayor & Commission on matters related to the Oconee Rivers Greenway system. The general responsibility of ORGC is to develop a plan for a river-oriented greenway system in Athens-Clarke County and to recommend measures to protect the resources of the Oconee Rivers and their tributaries.
- Firefly Trail: Firefly Trail, Inc. is a 501(c)(3) organization incorporated in 2011 to develop the Firefly Trail, a planned, partially constructed multi-purpose path for pedestrian, bicycle and other non-motorized uses that will stretch 39 miles from Athens to Union Point, Georgia.
- MACORTS: The Madison Athens-Clarke Oconee Regional Transportation Study is one of 15 federally mandated Metropolitan Planning Organizations (MPOs) in Georgia which are the conduits through which federal transportation funds come to urbanized areas.
- Northeast Georgia Regional Commission: NEGRC serves 12 counties and 54 municipal governments in the Northeast Georgia Region. The Agency was created in 1963 to be a focal point for regional issues concerning local government and to be a resource for those governments in a variety of specialized areas. These include local government planning, economic development, grant preparation, administration, job training, and aging services.
- Georgia Department of Transportation: The mission of GDOT is to provide a safe, seamless and sustainable transportation system that supports Georgia’s economy and is sensitive to its citizens and environment.
- State of Georgia Bicycle and Pedestrian Programs: The Georgia DOT’s Bicycle & Pedestrian Program incorporates a broad range of programs and initiatives throughout the state, offering technical assistance, engineering and planning guidance, public information, and educational materials and programs for cyclists, walkers, and visitors in Georgia.
- State Transportation Improvement Program: The STIP lists Federally-funded transportation projects that are located outside Metropolitan Planning Organization (MPO) boundaries. Each MPO develops its own Transportation Improvement Program (TIP).
- American Association of State Highway and Transportation Officials: AASHTO is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. AASHTO is an international leader in setting technical standards for all phases of highway system development. Standards are issued for design, construction of highways and bridges, materials, and many other technical areas.
- Bureau of Transportation Statistics: The BTS administers data collection, analysis, and reporting and ensures the most cost-effective use of transportation-monitoring resources.
- Federal Bicycle & Pedestrian Program: The Bicycle & Pedestrian Program of the Federal Highway Administration's Office of Human and Natural Environment promotes bicycle and pedestrian transportation use, safety, and accessibility.
- Federal Highway Administration: The FHWA is an agency within the U.S. Department of Transportation that supports State and local governments in the design, construction, and maintenance of the Nation’s highway system and various federally and tribal owned lands.
- Federal Railroad Administration: The purpose of FRA is to promulgate and enforce rail safety regulations; administer railroad assistance programs; conduct research and development in support of improved railroad safety and national rail transportation policy; provide for the rehabilitation of Northeast Corridor rail passenger service; and consolidate government support of rail transportation activities.
- Federal Transit Administration: The FTA provides stewardship of combined formula and discretionary programs totaling more than $10B to support a variety of locally planned, constructed, and operated public transportation systems throughout the United States. Transportation systems typically include buses, subways, light rail, commuter rail, streetcars, monorail, passenger ferry boats, inclined railways, or people movers.
- National Transportation Library: The mission of the NTL is to maintain and facilitate access to statistical and other information needed for transportation decision-making at the Federal, State, and local levels and to coordinate with public and private transportation libraries and information providers to improve information sharing among the transportation community.
- Rails-to-Trails Conservancy: A nonprofit organization based in Washington, D.C., whose mission it is to create a nationwide network of trails from former rail lines and connecting corridors to build healthier places for healthier people.
- U.S. Department of Transportation: The mission of the Department is to serve the United States by ensuring a fast, safe, efficient, accessible and convenient transportation system that meets our vital national interests and enhances the quality of life of the American people, today and into the future.