Cambridge is a city in Middlesex County, Massachusetts, United States. It is a suburb in the Greater Boston metropolitan area, located directly across the Charles River from Boston. The city's population as of the 2020 U.S. census was 118,403, making it the most populous city in the county, the fourth-largest in Massachusetts behind Boston, Worcester, and Springfield, and ninth-most populous in New England. The city was named in honor of the University of Cambridge in Cambridge, England, which was an important center of the Puritan theology that was embraced by the town's founders.
Newton is a city in Middlesex County, Massachusetts, United States. It is roughly 8 miles (13 km) west of downtown Boston, and comprises a patchwork of thirteen villages. The city borders Boston to the northeast and southeast, Brookline to the east, Watertown and Waltham to the north, and Weston, Wellesley, and Needham to the west. At the 2020 U.S. census, the population of Newton was 88,923.
Billerica is a town in Middlesex County, Massachusetts, United States. The population was 42,119 according to the 2020 census. It takes its name from the town of Billericay in Essex, England.
Burlington is a town in Middlesex County, Massachusetts, United States. The population was 26,377 at the 2020 census.
Wilmington is a town in Middlesex County, Massachusetts, United States. Its population was 23,349 at the 2020 United States census.
The East Coast Greenway is a 3,000-mile (4,800 km) pedestrian and bicycle route between Maine and Florida along the East Coast of the United States. The nonprofit East Coast Greenway Alliance was created in 1991 with the goal to use the entire route with off-road, shared-use paths; as of 2021, over 1,000 mi (1,600 km) of the route (35%) meets these criteria. In 2020, the Greenway received over 50 million visits.
Hopkinton is a town in Middlesex County, Massachusetts, United States, 25 miles (40 km) west of Boston. The town is best known as the starting point of the Boston Marathon, held annually on Patriots' Day each April, and as the headquarters for the Dell EMC corporation.
Greater Boston is the metropolitan region of New England encompassing the municipality of Boston, the capital of the U.S. state of Massachusetts and the most populous city in New England, and its surrounding areas. The most stringent definition of the region, used by the Metropolitan Area Planning Council, consists of most of the eastern third of mainland Massachusetts, excluding the Merrimack Valley and most of Southeastern Massachusetts, though most definitions include much of these areas and portions of southern New Hampshire.
The Boston and Lowell Railroad was a railroad that operated in Massachusetts in the United States. It was one of the first railroads in North America and the first major one in the state. The line later operated as part of the Boston and Maine Railroad's Southern Division.
The B branch, also called the Commonwealth Avenue branch or Boston College branch, is a branch of the MBTA Green Line light rail system which operates on Commonwealth Avenue west of downtown Boston, Massachusetts. One of four branches of the Green Line, the B branch runs from Boston College station down the median of Commonwealth Avenue to Blandford Street. There, it enters Blandford Street portal into Kenmore station, where it merges with the C and D branches. The combined services run into the Boylston Street subway and Tremont Street subway to downtown Boston. B branch service has terminated at Government Center since October 2021. Unlike the other branches, B branch service runs solely through the city limits of Boston. The Green Line Rivalry between Boston College and Boston University is named in reference to the B branch, which runs to both universities.
The Haverhill Line is a branch of the MBTA Commuter Rail system, running north from downtown Boston, Massachusetts to Haverhill. The service operates on the Western Route of the former Boston and Maine Railroad, which extends north to Portland, Maine, though MBTA commuter rail service has not continued north of Massachusetts since 1967.
The Lexington and West Cambridge Railroad was a railroad company chartered in 1845 and opened in 1846 that operated in eastern Massachusetts. It and its successors provided passenger service until 1977 and freight service until 1980 or early 1981.
North Billerica is an unincorporated village of the town of Billerica, Massachusetts, United States, one of the nine sections (hamlets) that make up the Town of Billerica. It is the home to Faulkner and Talbot mills and the North Billerica Train Depot. The Middlesex Canal was built through the village in 1783 and the Boston and Lowell Railroad was put through in the 1840s.
Natick Center station is an MBTA Commuter Rail station in Natick, Massachusetts served by the Framingham/Worcester Line. The station, located below grade in a wide cut adjacent to North Main Street, has two side platforms serving the line's two tracks. The second-busiest non-accessible station on the system, it is undergoing a major accessibility renovation and modernization from 2020 to 2024.
Melrose/Cedar Park station is an MBTA Commuter Rail station located in downtown Melrose, Massachusetts. The station has two low-level platforms serving the two tracks of the Haverhill Line; it is not accessible.
The history of the Massachusetts Bay Transportation Authority (MBTA) and its predecessors spans two centuries, starting with one of the oldest railroads in the United States. Development of mass transportation both followed existing economic and population patterns, and helped shape those patterns.
West Natick station is a commuter rail station on the MBTA Commuter Rail Framingham/Worcester Line, located off West Central Street (MA-135) in Natick, Massachusetts. It was opened in 1982 as a park and ride station.
North Wilmington station is an MBTA Commuter Rail station in North Wilmington, Massachusetts. It serves the Haverhill Line, and is located off Middlesex Avenue (Route 62). It has some of the most limited station faculties on the MBTA system – a single short non-accessible platform serving the line's single track at the location, with a small parking lot and shelter for passengers. North Wilmington served by most Boston–Haverhill trains except for a small number that use the Wildcat Branch. It is a flag stop except during weekday peak hours.
Mystic Valley Parkway station is a proposed light rail station on the MBTA Green Line in Somerville, Massachusetts; it would be built as part of a future third phase of the Green Line Extension (GLX). Route 16 would consist of one island platform, which would serve the E branch's two tracks.
Silver Lake is a kettle lake in Wilmington, Massachusetts. Originally called Sandy Pond, the lake is home to the town beach and draws in visitors from all over Greater Boston during the summer. The lake is at the heart of a USGS recognized populated place in Wilmington and Tewksbury, also called Silver Lake.
United States 
Massachusetts