Suffolk is taking the first step to create a countywide bicycle-sharing program that aims to get residents off four-wheeled vehicles and onto two-wheeled ones.

The county last week issued a “request for interest” — looking for potential vendors to establish a bike-sharing program, similar to New York City’s Citi Bike initiative.

County Executive Steve Bellone said he envisions the bikes being available at transit hubs, where they could help commuters complete the last mile of their trips. Bellone said major business corridors, such as Route 110, expansive college campuses, such as Stony Brook University, and state parks would be logical settings for bike stations.

“This is a key part of our effort to create an effective transportation system that will allow young people and others the access they need without having to get into a car every time,” Bellone said.

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The county expects to hear back from prospective vendors in about a month, and then put the program out to bid. Bellone said he’ll seek grant funding for the program from the Long Island Regional Economic Development Council.

The county expects a pilot bike-sharing program to be in place by late spring or early summer 2018.