Alternative fuel station signs will be located along Oklahoma’s interstate highways including I-35, I-44 and I-40.

Alternative Fuel Signs Coming to Oklahoma’s Interstate Highways

fhwa_logoDrivers on Oklahoma interstates will soon see signs of the state’s effort to improve alternative fueling infrastructure. On November 3, the Federal Highway Administration designated I-35, I-40 and I-44 in Oklahoma as alternative fuel corridors, a special designation aimed at improving the mobility of passenger and commercial vehicles that run on alternative fuels. This new designation means special highway signage indicating the nearest alternative fueling station will eventually be placed along these highways by the Oklahoma Department of Transportation.


The Association of Central Oklahoma Governments and the Indian Nations Council of Governments partnered with the Oklahoma Department of Transportation to nominate several Oklahoma highways as alternative fuel corridors. The FHWA approved I-35, I-40 and I-44 as signage ready natural gas fuel corridors and planned electric vehicle (EV) charging corridors, meaning Oklahoma is making strides in development of its EV infrastructure.

odot logoOklahoma is the only state with all of its interstate system designated as signage ready for CNG and is now linked to a national network of alternative fuel corridors via highway connections with Texas and Missouri.

Executive Director Patterson

“Oklahoma’s interstates are now part of a national network of highways with easy access to alternative fueling stations,” ODOT Executive Director Mike Patterson said. “The federal designation and placement of signs on our highways will improve travel for drivers and commercial fleets using CNG and electric vehicles.”

Secretary Teague

“We are excited about this designation from the Federal Highway Administration as it shows the progress of the state’s commitment to an all the above energy strategy which includes transportation,” said Michael Teague, Oklahoma Secretary of Energy and Environment “Alternative fueled vehicles, such as natural gas and electric vehicles, are a key piece of the Oklahoma First Energy Plan to utilize domestic fuels that are clean, efficient, and affordable products of the state. As more Oklahomans make the switch to natural gas or electric vehicles they know that we have the infrastructure to support them.”

EV, Hydrogen, Propane and CNG

The federal Fixing America’s Surface Transportation Act directed the FHWA to designate national highway corridors for EV charging, hydrogen, propane, and CNG fueling.


tulsa-clean-cities“This designation allows us to capitalize on our position as the crossroads of America while focusing the development of alternative fueling infrastructure in strategic locations where they are most needed for in-state and out-of-state travel.” said Rich Brierre, Executive Director, INCOG.


clean_cities_central_ok“Increased use of alternative fuels supports local economic development, increased energy security, and improved air quality,” Johnson said. ” This helps our regional efforts in meeting ever-changing demands of our transportation system.”

Oklahoma was uniquely qualified to designate natural gas corridors due to the wide availability of CNG fueling along the state’s interstates and highways. Another factor leading to the designation is the state’s central position along major highways that cross the nation from coast to coast as well as from Mexico to Canada. Oklahoma leads the nation in CNG fueling stations per capita, with at least one natural gas fueling station on every 100 miles of interstate highway in the state. Most stations can accommodate both passenger and commercial vehicle fueling. While Oklahoma’s electric vehicle charging network is less developed, a diverse group of EV stakeholders including convenience stores, electric utilities, auto dealerships, and local governments is working together to identify and construct strategic locations for high-capacity EV chargers that will ensure border-to-border charging within Oklahoma, and connections to neighboring states.

Where to Find Alternative Fuel in Oklahoma and Beyond

Click here to see a nationwide map of FHWA-designated alternative fuel corridors. To learn more about alternative fuels, visit or

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