Massachusetts Route 203

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Route 203
Length: 5.18[1] mi (8.34 km)
Formed: early 1970s
West end: Centre Street in Jamaica Plain
East end: I-93/US 1/Route 3/Route 3A in Dorchester
Massachusetts State Highway Routes
< Route 202 Route 204 >

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 former MDC parkways.

[edit] Maintenance

The whole road is maintained by the Department of Conservation and Recreation (previously the Metropolitan District Commission).

[edit] 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 3, 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.

[edit] References

  1. ^ Executive Office of Transportation, Office of Transportation Planning - 2005 Road Inventory
  • Various old maps