E-Z Street 21" DIAMETER REMOTE TURNOUT - RIGHT - O Scale. The E-Z Street modular system snaps together to create realistic one-lane or two-lane roads and intersections. Now your model town or city can get moving with the E-Z-Street track system and E-Z-Street vehicles. The 21" Diameter Remote Turnout - Left and 21" Diameter Remote Turnout - Right are the newest additions to our E-Z Street modular system. The Turnouts can be operated manually or remotely and feature non-derailing sprung switches.