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Route 203 (Massachusetts)
Encyclopedia
Route 203 is a 5.5-mile (8.9 km) state-numbered route in Boston, Massachusetts, United States
, running from old U.S. Route 1 in Jamaica Plain east to Interstate 93
/U.S. Route 1/Route 3
and Route 3A at Neponset
. It runs along the Arborway, Morton Street and Gallivan Boulevard, all parkway
s formerly part of the Metropolitan District Commission system of parks and roads.
(DCR, previously the Metropolitan District Commission). On November 1, 2009, the Msgr. William Casey Highway overpass in Jamaica Plain, Morton Street in Mattapan and Gallivan Boulevard in Dorchester were transferred to MassDOT, while the Arborway continued under DCR.
, which came south along The Jamaicaway
with U.S. Route 1 and split to the east along present Route 203. Route 3 turned south at Granite Avenue to join the Southeast Expressway in Milton, and Route 3A began where Route 3 turned. With the renumbering, Route 3 was kept on the Southeast Expressway into downtown, Route 3A was truncated to its current end, and the former Route 3 and Route 3A became Route 203. While the former routes had been signed north–south, the new route was signed east–west.
The only other change has been the removal of U.S. Route 1 from the west end of Route 203; it no longer ends at a numbered route at its west end.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, running from old U.S. Route 1 in Jamaica Plain east to Interstate 93
Interstate 93
Interstate 93 is an Interstate Highway in the New England section of the United States. Its southern terminus is in Canton, Massachusetts, in the Boston metropolitan area, at Interstate 95; its northern terminus is near St. Johnsbury, Vermont, at Interstate 91...
/U.S. Route 1/Route 3
Route 3 (Massachusetts)
Route 3 is a southward continuation of U.S. Route 3, connecting Cambridge, Massachusetts with Cape Cod. All of it, except for the northernmost end in downtown Boston and Cambridge, is a freeway....
and Route 3A at Neponset
Neponset, Massachusetts
Neponset, Massachusetts is a district in the southeast corner of Dorchester, Massachusetts which is the most populous neighborhood of Boston....
. It runs along the Arborway, Morton Street and Gallivan Boulevard, all parkway
Parkway
The term parkway has several distinct principal meanings and numerous synonyms around the world, for either a type of landscaped area or a type of road.Type of landscaped area:...
s formerly part of the Metropolitan District Commission system of parks and roads.
Maintenance
Prior to the creation of the Massachusetts Department of Transportation (MassDOT) in 2009, the route was owned and maintained by the Department of Conservation and RecreationDepartment of Conservation and Recreation (Massachusetts)
The Department of Conservation and Recreation is a state agency of the Commonwealth of Massachusetts, situated in the Executive Office of Energy and Environmental Affairs. It is best known for its parks and parkways. As of May 24, 2011 the Commissioner of the DCR is Edward M. Lambert, Jr...
(DCR, previously the Metropolitan District Commission). On November 1, 2009, the Msgr. William Casey Highway overpass in Jamaica Plain, Morton Street in Mattapan and Gallivan Boulevard in Dorchester were transferred to MassDOT, while the Arborway continued under DCR.
History
Route 203 was formed in the early 1970s as part of a large Boston-area renumbering. Most of the route had been part of Route 3Route 3 (Massachusetts)
Route 3 is a southward continuation of U.S. Route 3, connecting Cambridge, Massachusetts with Cape Cod. All of it, except for the northernmost end in downtown Boston and Cambridge, is a freeway....
, which came south along The Jamaicaway
The Jamaicaway
Jamaicaway is a four-lane, undivided parkway in the Jamaica Plain neighborhood of Boston, Massachusetts near the border of Brookline.The Jamaicaway was designed by Frederick Law Olmsted as part of Emerald Necklace of green spaces extending from Boston Common on Beacon Hill to Franklin Park in Roxbury...
with U.S. Route 1 and split to the east along present Route 203. Route 3 turned south at Granite Avenue to join the Southeast Expressway in Milton, and Route 3A began where Route 3 turned. With the renumbering, Route 3 was kept on the Southeast Expressway into downtown, Route 3A was truncated to its current end, and the former Route 3 and Route 3A became Route 203. While the former routes had been signed north–south, the new route was signed east–west.
The only other change has been the removal of U.S. Route 1 from the west end of Route 203; it no longer ends at a numbered route at its west end.