Don't mean to be so wordy, but here is where the MA version of EZ Pass works, and this is all reciprocal, so you should be able to get one in any of these states.
Massachusetts Turnpike (including the Sumner and Ted Williams Tunnels)
Massachusetts Port Authority (Tobin Memorial Bridge)
MBTA/Amtrak Parking Garage (FAST LANE transponders only)
New York State Thruway Authority: Entire Thruway including the New Rochelle Barrier, Yonkers Barrier, Tappen Zee Bridge, Spring Valley (commercial only), Harriman Barrier, City Line Barrier, Black River Barrier and Grand Island Bridges.
Port Authority of New York & New Jersey: Bayonne, George Washington and Goethals Bridges, Holland and Lincoln Tunnels and Outerbridge Crossing.
Metropolitan Transit Authority Bridges and Tunnels: Bronx-Whitestone, Cross Bay, Henry Hudson, Marine Parkway Gil Hodges, Throgs Neck, Triborough and Verrazano-Narrows Bridges and Brooklyn-Battery, and Queens Midtown Tunnels.
New Jersey Highway Authority: Garden State Parkway.
New Jersey Turnpike Authority: New Jersey Turnpike.
South Jersey Transportation Authority: Atlantic City Expressway.
Delaware Department of Transportation: Interstate 95 and Route 1.
Delaware River Port Authority: Commodore Barry, Walt Whitman, Ben Franklin and Betsy Ross Bridges.
Delaware River and Bay Authority: Delaware Memorial Bridge.
Maryland Transportation Authority: Francis Scott Key Bridge, Fort McHenry, William Preston Lane Jr. Memorial (Bay) Bridge, Gov. Harry W. Nice Memorial Bridge, Thomas J. Hatem Memorial Bridge, John F. Kennedy Memorial Highway and Baltimore Harbor Tunnels.
West Virginia Parkways: West Virginia Parkways - Economic Development and Tourism Authority: West Virginia Turnpike.
Pennsylvania Turnpike Commission: Pennsylvania Turnpike.
Buffalo and Fort Erie Public Bridge Authority: Peace Bridge
New York State Bridge Authority: Bear Mountain Bridge, Newburgh-Beacon Bridge, Mid-Hudson Bridge, Kingston-Rhinecliff Bridge, Rip Van Winkle Bridge.
Virginia Department of Transportation: Dulles Toll Road, Dulles Greenway, Coleman Bridge, Chesapeake Expressway, Powhite Parkway, Boulevard Bridge
Maine Turnpike Authority
New Hampshire Department of Transportation-Bureau of Turnpikes: Hampton, Hooksett, Bedford.
Illinois State Toll Highway Authority: North-South Tollway, Tri-State Tollway, Ronald Reagan Memorial Tollway, Northwest Tollway
Indiana Toll Road
Rhode Island Turnpike and Bridge Authority: Claiborne Pell Bridge (Newport Bridge)
Ohio Turnpike Commission: Ohio Turnpike
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