# Department of transportation

A department of transportation (DOT or DoT) is a government agency responsible for managing transportation. The term is primarily used in the United States to describe a transportation authority that coordinates or oversees transportation-related matters within its jurisdiction.
In the United States, the largest DOT is the United States Department of Transportation, a federal agency that oversees interstate travel and numerous other transportation agencies.
All U.S. states have their DOTs, responsible for managing and overseeing transportation, transportation-related infrastructure, and transportation safety in their respective states. They provide enforcement through DOT officers within their respective jurisdictions.

## List of U.S. state and insular area departments of transportation

* Alabama Department of Transportation (ALDOT)
* Alaska Department of Transportation and Public Facilities (DOT&PF)
* Arizona Department of Transportation (ADOT)
* Arkansas Department of Transportation (ARDOT)
* California Department of Transportation (Caltrans)
* Colorado Department of Transportation (CDOT)
* Connecticut
** Connecticut Department of Transportation (CTDOT) - roads, bridges, rail, public transit
** Connecticut Airport Authority (CAA) - airports
** Connecticut Port Authority (CPA) - seaports
* Delaware Department of Transportation (DelDOT)
* Florida Department of Transportation (FDOT)
* Georgia Department of Transportation (GDOT)
* Hawaii Department of Transportation (HDOT)
* Idaho Transportation Department (ITD)
* Illinois Department of Transportation (IDOT)
* Indiana Department of Transportation (INDOT)
* Iowa Department of Transportation (Iowa DOT)
* Kansas Department of Transportation (KDOT)
* Kentucky Transportation Cabinet (KYTC)
* Louisiana Department of Transportation and Development (DOTD)
* Maine Department of Transportation (MaineDOT)
* Maryland Department of Transportation (MDOT)
* Massachusetts Department of Transportation (MassDOT)
* Michigan Department of Transportation (MDOT)
* Minnesota Department of Transportation (MnDOT)
* Mississippi Department of Transportation (MDOT)
* Missouri Department of Transportation (MoDOT)
* Montana Department of Transportation (MDT)
* Nebraska
** Nebraska Department of Transportation (NDOT) - roads, rail, and public transportation
** Nebraska Department of Aeronautics - airports
** Nebraska Game and Parks Commission - waterways
* Nevada Department of Transportation (NDOT)
* New Hampshire Department of Transportation (NHDOT)
* New Jersey Department of Transportation (NJDOT)
* New Mexico Department of Transportation (NMDOT)
* New York
** New York State Department of Transportation (NYSDOT)
** New York State Thruway Authority (NYSTA)
** New York State Bridge Authority (NYSBA)
* North Carolina Department of Transportation (NCDOT)
* North Dakota Department of Transportation (NDDOT)
* Ohio Department of Transportation (OHIODPT)
* Oklahoma Department of Transportation (ODOT)
* Oregon Department of Transportation (ODOT)
* Pennsylvania Department of Transportation (PennDOT)
* Puerto Rico Department of Transportation and Public Works (DTOP)
* Rhode Island
** Rhode Island Department of Transportation (RIDOT)
** Rhode Island Turnpike and Bridge Authority (RITBA) - toll bridges
* South Carolina Department of Transportation (SCDOT)
* South Dakota Department of Transportation (SDDOT)
* Tennessee Department of Transportation (TDOT)
* Texas Department of Transportation (TxDOT)
* Utah Department of Transportation (UDOT)
* Vermont Agency of Transportation (VTrans)
* Virginia Department of Transportation (VDOT)
* Washington State Department of Transportation (WSDOT)
* West Virginia Department of Transportation (WVDOT)
* Wisconsin Department of Transportation (WisDOT)
* Wyoming Department of Transportation (WYDOT)

## Local departments of transportation

* Baltimore City Department of Transportation (BCDOT)
* Charlotte Department of Transportation (CDOT)
* Cincinnati Department of Transportation and Engineering (DOTE)
* Chicago Department of Transportation (CDOT)
* Detroit Department of Transportation (DDOT)
* District Department of Transportation (d.DOT) (Washington, D.C.)
* Los Angeles Department of Transportation (LADOT)
* New York City Department of Transportation (NYCDOT)
* Seattle Department of Transportation (SDOT)

## By country

Though the term "Department of Transportation" is most associated with the United States, the term has been used in various forms for other countries' transportation authorities.
* In Australia:
** Department of Transport (1930–1932)
** Department of Transport (1941–1950)
** Department of Transport (1972–1982)
** Department of Transport (1983–1987)
** Department of Transport (1993–1996)
** Department of Transport (Victoria, 2008–13)
** Department of Transport (Victoria) (current)
** Department of Transport (Western Australia)
* Department of Transportation – Philippines
* Department of Transport – Ireland
* Department of Transport – Tamil Nadu, India
* Department of Transportation and Infrastructure – New Brunswick, Canada
* Department of Transportation and Infrastructure Renewal – Nova Scotia, Canada
* Department of Transportation, Communications and Infrastructure – Federated States of Micronesia
* Department of Transport (South Africa)