OAKLAND — People in Oakland and Berkeley may soon have one more reason to ditch their cars.

AAA Northern California, Nevada & Utah is launching a new service that will let drivers without a car of their own access one at a moment’s notice.

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Called Gig, the new service will launch in Oakland and Berkeley at the end of April and let drivers find a car near them immediately, get in and go. It’s a one-way model that lets members pick up a car in one location and drop it off in another (there is no need to return it to the same spot).

“It’s extending AAA’s core focus of enabling mobility,” said Mike Hetke, executive vice president and chief innovation officer at AAA Northern California, Nevada & Utah. “We see a fundamental shift from individual car ownership to shared.”

To use it, people will have to sign up as Gig members by inputting basic information into the mobile app and scanning a driver’s license and credit card. The Gig mobile app helps users locate a car that is close to them, usually parked on a city street, which they can unlock with the phone app and use to go anywhere. While cars can be taken anywhere, they do have to be returned to the “HomeZone,” which will initially be most of Oakland and Berkeley, including the Park-N-Drive lot at Oakland International Airport.

The cars — a fleet of 250 Toyota “Prius c” vehicles — all have bicycle racks. Gas, insurance and parking are included in the trips, although drivers on longer trips may have to refuel themselves. Gig charges $2.50 per mile, $15 per hour or $85 per day, depending on what rate is the cheapest overall for the driver. AAA members get a 10 percent discount on those rates.

For now, the program will only be available in Oakland and Berkeley, but Hetke said AAA hopes to expand to other areas eventually. It had to partner with the cities in order to offer a free-floating program where cars could be left in metered parking spots between drives.

The Gig service is the first development out of AAA NCNU’s A3 Ventures program, an operation based in Oakland that serves as AAA’s innovation arm. It is solely dedicated to developing new business models, products and services for AAA.

Gig is a way for AAA to help increase access to cars, Hetke said, and a way to share the brand with young urban-dwellers who are opting to use ride-sharing or car-sharing services like Uber, Lyft and ZipCar (and soon, AAA hopes, Gig), instead of purchasing vehicles.

Transportation experts agree that shared, electric and automated vehicles are having a big impact on transportation, according to a survey by the Institute of Transportation Studies at UC Davis. Eighty-eight percent of that survey’s respondents think commercially offered shared rides will comprise more than 5 percent of all U.S. passenger miles by 2030, and 78 percent think those types of rides will account for more than 20 percent of U.S. passenger miles traveled by 2040.