Route 115 is a short south–north highway

Highway

A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

 in southeastern 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...

. The route connects several small towns in western Norfolk County

Norfolk County, Massachusetts

-National protected areas:* Adams National Historical Park* Boston Harbor Islands National Recreation Area * Frederick Law Olmsted National Historic Site* John Fitzgerald Kennedy National Historic Site-Demographics:...

, ending just into Middlesex County

Middlesex County, Massachusetts

-National protected areas:* Assabet River National Wildlife Refuge* Great Meadows National Wildlife Refuge* Longfellow National Historic Site* Lowell National Historical Park* Minute Man National Historical Park* Oxbow National Wildlife Refuge...

 in Sherborn

Sherborn, Massachusetts

Sherborn is a town in Middlesex County, Massachusetts, United States. It is in area code 508 and has the ZIP code 01770. As of the 2010 U.S. Census, the town population was 4,119. The assessed value of the town for the fiscal year 2005 is $1,008,146,994....

.

Route description

Route 115 begins at Route 140 in Foxborough

Foxborough, Massachusetts

-Demographics:As of the census of 2000, there were 16,246 people, 6,141 households, and 4,396 families residing in the town. The population density was 809.1 people per square mile . There were 6,299 housing units at an average density of 313.7 per square mile...

, just north of where that route crosses U.S. Route 1

U.S. Route 1 in Massachusetts

In the U.S. state of Massachusetts, U.S. Route 1 is a major north–south state highway through Boston. The portion of US 1 south of Boston is also known as the Boston-Providence Turnpike, and portions north of the city are known as the Northeast Expressway and the Newburyport Turnpike.-Route...

. Almost immediately, the route crosses the far northeastern corner of Wrentham

Wrentham, Massachusetts

Wrentham is a town in Norfolk County, Massachusetts, United States. The population was 10,955 at the 2010 census.- History :Wrentham was first settled by the English in 1660 and officially incorporated in 1673. It was burned down during King Philip's War 1675-1676. For a short time, it was the...

 before passing into the town of Norfolk

Norfolk, Massachusetts

Norfolk is a town in Norfolk County, Massachusetts, United States with a population of 10,460 people in 2,818 households at the 2000 census. Formerly known as North Wrentham, Norfolk broke away to become an independent town in 1870.-History:...

. In Norfolk the route crosses Route 1A

Massachusetts Route 1A

Route 1A is a south–north state highway in Massachusetts. It is an alternate route to U.S. 1 with three signed sections and two unsigned sections where the highway is concurrent with its parent...

 before continuing northwestward, passing Stony Brook Pond and the Bristol Blake State Reservation before crossing through the center of town near the Norfolk commuter rail station

Norfolk (MBTA station)

Norfolk is a MBTA commuter rail station on the Franklin Line located in Norfolk, Massachusetts. The station is located at 9 Rockwood Road . There is an automatic level crossing on the road with gates.Also farther down the line Towards Boston Seekonk St...

. From there, Route 115 continues northward into Millis, crossing the Charles River

Charles River

The Charles River is an long river that flows in an overall northeasterly direction in eastern Massachusetts, USA. From its source in Hopkinton, the river travels through 22 cities and towns until reaching the Atlantic Ocean at Boston...

 and intersecting Route 109

Massachusetts Route 109

Route 109 is a state highway in eastern Massachusetts. It runs from Route 16 in Milford east to the VFW Parkway in West Roxbury. Most of Route 109 runs along a portion of the Hartford and Dedham Turnpike.-Route description:...

 at the center of town. It then continues northward, crossing into Sherborn

Sherborn, Massachusetts

Sherborn is a town in Middlesex County, Massachusetts, United States. It is in area code 508 and has the ZIP code 01770. As of the 2010 U.S. Census, the town population was 4,119. The assessed value of the town for the fiscal year 2005 is $1,008,146,994....

. Once in Sherborn, the route shortly ends at Route 27, just west of that route's crossing of the Charles River

Charles River

The Charles River is an long river that flows in an overall northeasterly direction in eastern Massachusetts, USA. From its source in Hopkinton, the river travels through 22 cities and towns until reaching the Atlantic Ocean at Boston...

 into the town of Medfield

Medfield, Massachusetts

Medfield is a town in Norfolk County, Massachusetts, United States. The population was 12,024 according to the 2010 Census. Medfield is an affluent community about 17 miles southwest of Boston....

.

Route 115 is in large part a scenic highway, mostly meandering through rather dense woods, with the exception being the town center of Millis, which is home to many shops and banks. Route 115 also passes through the center of Norfolk, but this is a much smaller and less developed town than Millis.

Junction list

County	Location	Mile	Roads intersected	Notes
Norfolk Norfolk County, Massachusetts -National protected areas:* Adams National Historical Park* Boston Harbor Islands National Recreation Area * Frederick Law Olmsted National Historic Site* John Fitzgerald Kennedy National Historic Site-Demographics:...	Foxborough Foxborough, Massachusetts -Demographics:As of the census of 2000, there were 16,246 people, 6,141 households, and 4,396 families residing in the town. The population density was 809.1 people per square mile . There were 6,299 housing units at an average density of 313.7 per square mile...	0.00	Route 140	Southern end of Route 115. To U.S. Route 1 U.S. Route 1 in Massachusetts In the U.S. state of Massachusetts, U.S. Route 1 is a major north–south state highway through Boston. The portion of US 1 south of Boston is also known as the Boston-Providence Turnpike, and portions north of the city are known as the Northeast Expressway and the Newburyport Turnpike.-Route...  via Route 140.
	Norfolk Norfolk, Massachusetts Norfolk is a town in Norfolk County, Massachusetts, United States with a population of 10,460 people in 2,818 households at the 2000 census. Formerly known as North Wrentham, Norfolk broke away to become an independent town in 1870.-History:...	1.1	Route 1A Massachusetts Route 1A Route 1A is a south–north state highway in Massachusetts. It is an alternate route to U.S. 1 with three signed sections and two unsigned sections where the highway is concurrent with its parent...
	Millis Millis, Massachusetts Millis is a town in Norfolk County in the U.S. state of Massachusetts. It is a small town with a population of 7,891 according to the 2010 census. The town is approximately southwest of downtown Boston and is bordered by Norfolk, Sherborn, Holliston, Medfield, and Medway...	7.5	Route 109 Massachusetts Route 109 Route 109 is a state highway in eastern Massachusetts. It runs from Route 16 in Milford east to the VFW Parkway in West Roxbury. Most of Route 109 runs along a portion of the Hartford and Dedham Turnpike.-Route description:...
Middlesex Middlesex County, Massachusetts -National protected areas:* Assabet River National Wildlife Refuge* Great Meadows National Wildlife Refuge* Longfellow National Historic Site* Lowell National Historical Park* Minute Man National Historical Park* Oxbow National Wildlife Refuge...	Sherborn Sherborn, Massachusetts Sherborn is a town in Middlesex County, Massachusetts, United States. It is in area code 508 and has the ZIP code 01770. As of the 2010 U.S. Census, the town population was 4,119. The assessed value of the town for the fiscal year 2005 is $1,008,146,994....	10.87	Route 27	Northern end of Route 115.