Route

Route 146A takes the following route through the State:

• North Smithfield
  North Smithfield, Rhode Island
  North Smithfield is a town in Providence County, Rhode Island, United States, settled as a farming community in 1666 and incorporated into its present form in 1871. North Smithfield includes the historic villages of Forestdale, Primrose, Waterford, Branch Village, Union Village, Park Square, and...
  
  : 7.1 miles (11.4 km); Route 146
  Route 146 (Rhode Island)
  Route 146, also known as the Louisquisset Pike, the Eddie Dowling Highway and the North Smithfield Expressway, is a long numbered state highway located in Providence County, Rhode Island, United States...
  
   to Massachusetts
  Massachusetts
  The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...
  
   State line at Route 146A
  • Eddie Dowling Highway, Smithfield Road, Great Road, Victory Highway, North Main Street and Quaker Highway

History

Route 146A was designated as Route 146

Route 146 (Rhode Island)

Route 146, also known as the Louisquisset Pike, the Eddie Dowling Highway and the North Smithfield Expressway, is a long numbered state highway located in Providence County, Rhode Island, United States...

 before the construction of the North Smithfield Expressway. The road follows a former stagecoach path through historic Union Village

Union Village

Union Village or "Bank Village" is a village and historic district located in North Smithfield, Rhode Island and Woonsocket, Rhode Island on Rhode Island Route 146A...

 in North Smithfield. This road was known as "the Great Road". The northern end of the road crosses the state line near Buxton Street at Uxbridge, Massachusetts

Uxbridge, Massachusetts

Uxbridge is a town in Worcester County, Massachusetts, in the United States. It was first settled in 1662, incorporated in 1727 at Suffolk County, and named for the Earl of Uxbridge. Uxbridge is south-southeast of Worcester, north-northwest of Providence, and southwest of Boston. It is part of...

. This section was known as Ironstone

Ironstone

Ironstone is a sedimentary rock, either deposited directly as a ferruginous sediment or created by chemical repacement, that contains a substantial proportion of an iron compound from which iron either can be or once was smelted commercially. This term is customarily restricted to hard coarsely...

, after good quality bog iron ore found near here.