State Route 313 (New York–Vermont) VT 11 by 1938, which was then co-designated as VT 313 from New York to Arlington by 1940. VT 11 was truncated to Manchester between 1947 and 1952, leaving only the VT 313 designation on the New York – Arlington highway. In the late 1970s, US 7 was realigned onto a new limited-access highway through most of southwestern Vermont. The new highway bypassed Arlington to the east. In 1978, VT 313 was extended eastward by way of VT 7A and a new roadway to meet the new routing of US 7. State Route 313 (New York–Vermont) New York State Route
VT tank be locked into the aiming computer, the gunner would hold the trigger and the gun would fire automatically in the moment when the muzzle was on the target during the next change of direction. The VT 1-1 was armed with two 105 mm rifled guns, which were loaded manually. The VT 1-2 carried two 120 mm smoothbore guns equipped with 6-round automatic loaders. The GVTs were not fitted with guns, instead they mounted two gun simulators. For combat simulations they used Talissi laser fire simulators. The propellant gases were created with a 20 mm cannon mounted on the roof. VT