located_in_the_administrative_territorial_entity science park 
Leverett Circle is an intersection in ___MASK81___ , ___MASK80___ . Completely rebuilt during the Big Dig , it is no longer a rotary . It marks the confluence of Storrow Drive , Charles River Dam Road , Nashua Street , Charles Street , and Martha Road . In the United States , a metropolitan statistical area ( MSA ) is a geographical region with a relatively high population density at its core and close economic ties throughout the area . Such regions are neither legally incorporated as a city or town would be , nor are they legal administrative divisions like counties or separate entities such as states . As such , the precise definition ___MASK32___ any given metropolitan area can vary with the source . A typical metropolitan area is centered on a single large city that wields substantial influence over the region ( e . g ., Chicago or ___MASK74___ ). However , some metropolitan areas contain more than one large city with no single municipality holding a substantially dominant position ( e . g ., ___MASK29___  ___MASK52___ metroplex , Norfolk - Virginia Beach ( ___MASK11___ Roads ), ___MASK90___  San Bernardino ( Inland Empire ) or ___MASK100___  ___MASK97___ ). The Charles ___MASK1___ Dam Bridge , officially the Craigie Bridge , also called Craigie ' s Bridge or the Canal Bridge , is a six - lane bascule bridge across the Charles ___MASK1___ , connecting Leverett Circle in downtown ___MASK81___ , to Monsignor O ' Brien Highway in ___MASK92___ ___MASK87___ , ___MASK80___ . The bridge , maintained by the ___MASK80___ Department of Conservation and Recreation ( DCR , formerly the MDC ), carries Route 28 next to the Green Line ' s Lechmere Viaduct . The bridge is fully within ___MASK81___ , with the city line to the north , at the center of the original river . The Museum of Science is located on the dam and nearby piers . The original lock for the Charles ___MASK1___ was just west of the Charles ___MASK1___ Dam Bridge , but the lock services was relocated east to the Charles ___MASK1___ Dam and incorporated as three parallel locks on the site of the old Warren Bridge . Greater ___MASK81___ is the metropolitan region ___MASK32___ New ___MASK60___ encompassing the municipality ___MASK32___ ___MASK81___ , the capital ___MASK32___ the U . S . state ___MASK32___ ___MASK80___ and the most populous city in New ___MASK60___ , as well as its surrounding areas . The region forms the northern arc ___MASK32___ the U . S . northeast megalopolis and as such , Greater ___MASK81___ can be described as either a metropolitan statistical area ( MSA ), or as a broader combined statistical area ( CSA ). The MSA consists ___MASK32___ most ___MASK32___ the eastern third ___MASK32___ ___MASK80___ , excluding the South Coast region and Cape Cod ; while the CSA additionally includes the municipalities ___MASK32___ Manchester ( the largest city in the U . S . state ___MASK32___ New Hampshire ), Providence ( the capital ___MASK32___ the U . S . state ___MASK32___ Rhode Island ), Worcester , ___MASK80___ ( the second largest city in New ___MASK60___ ), as well as the South Coast region and Cape Cod in ___MASK80___ . Greater ___MASK81___ ' s most impactful contributions to human civilization involve the region ' s higher education institutions and sports culture . Greater ___MASK81___ also constitutes a region influential upon American history and industry . The region and the state ___MASK32___ ___MASK80___ are global leaders in biotechnology , engineering , higher education , finance , and maritime trade . ___MASK80___ ; officially the Commonwealth of ___MASK80___ , is the most populous state in the New England region of the northeastern United States . It is bordered by the Atlantic Ocean to the east , the states of Connecticut and Rhode Island to the south , New Hampshire and Vermont to the north , and New York to the west . The state is named for the Massachusett tribe , which once inhabited the area . The capital of ___MASK80___ and the most populous city in New England is Boston . Over 80 % of ___MASK80___ ' population lives in the Greater Boston metropolitan area , a region influential upon American history , academia , and industry . Originally dependent on agriculture , fishing and trade , ___MASK80___ was transformed into a manufacturing center during the Industrial Revolution . During the 20th century , ___MASK80___ ' economy shifted from manufacturing to services . Modern ___MASK80___ is a global leader in biotechnology , engineering , higher education , finance , and maritime trade . ___MASK92___ ___MASK87___ is a neighborhood of ___MASK87___ , ___MASK80___ . Referred to in modern times as Area 1 , ___MASK92___ ___MASK87___ is bounded by the Charles River on the east , the Somerville border on the north , Broadway and Main Street on the south , and the railroad tracks on the west . Most of the streets form a grid aligned with ___MASK87___ Street , which was laid out to directly connect what is now the Charles River Dam Bridge with what in 1809 was the heart of ___MASK87___ , Harvard Square . The northern part of the grid is a roughly six by eight block residential area . ___MASK87___ Street itself is retail commercial , along with Monsignor O ' Brien Highway , the Twin Cities Plaza strip mall , and the enclosed Cambridgeside Galleria . Lechmere Square is the transportation hub for the northern side . The southern half of the grid is largely office and laboratory space for hundreds of dot - com companies , research labs and startups associated with MIT , biotechnology firms including Genzyme and Biogen Idec , the Athenaeum Press Building , light industry , an NRG Energy power station ( formerly Mirant Kendall ), and various small businesses . This half of the neighborhood is generally identified with Kendall Square . Along the waterfront are several hotels and taller apartment buildings . ___MASK81___ ( pronounced ) is the capital and ___MASK73___ populous city of the Commonwealth of ___MASK80___ in the United States . ___MASK81___ is also the seat of Suffolk County , although the county government was disbanded on July 1 , 1999 . The city proper covers with an estimated population of 667 , 137 in 2015 , making it the largest city in New England and the 23rd ___MASK73___ populous city in the United States . The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater ___MASK81___ , a Metropolitan Statistical Area ( MSA ) home to a census - estimated 4 . 7 million people in 2014 and ranking as the tenth - largest such area in the country . Alternately , as a Combined Statistical Area ( CSA ), this wider commuting region is home to some 8 . 1 million people , making it the sixth - largest as such in the United States . Science Park ( signed as Science Park / ___MASK62___ End ) is an elevated light rail station on the MBTA Green Line , and is located at the Boston end of the Old Charles River Dam at Leverett Circle , near the intersection of Nashua ___MASK35___ and Charles ___MASK35___ ( Storrow Drive ) . The station is located on the Lechmere Viaduct , which connects North Station to the Lechmere terminus of the Green Line . As of 2015 , the station is served only by the Green Line `` E '' Branch , which runs from Heath ___MASK35___ to Lechmere . Science Park is one of a small number of elevated rapid transit stations remaining in the MBTA system . ( The only others are Beachmont , Malden Center , Wollaston , Charles / MGH , and Fields Corner . ) Boston once had several elevated lines , but the Atlantic Avenue Elevated , Charlestown Elevated , Washington ___MASK35___ Elevated , and Causeway Elevated were all torn down in favor of subway and surface - level lines . The station is an infill station , since Green Line trains passed frequently on existing tracks through the site for many years , before the station was built . Science Park is not served by any regularly scheduled MBTA Bus service . The ___MASK75___ Artery / Tunnel Project ( CA / T ), known unofficially as the Big Dig , was a megaproject in ___MASK81___ that rerouted the ___MASK75___ Artery ( Interstate 93 ), as the chief highway through the heart ___MASK32___ the city , into the 3 . 5 - mile ( 5 . 6 km ) Thomas P . O ' Neill Jr . Tunnel . The project also included the construction ___MASK32___ the Ted Williams Tunnel ( extending Interstate 90 to ___MASK40___ International Airport ), the Leonard P . Zakim Bunker Hill Memorial Bridge over the Charles River , and the Rose Kennedy Greenway in the space vacated by the previous I - 93 elevated roadway . Initially , the plan was also to include a rail connection between ___MASK81___ ' s two major train terminals . The official planning phase started in 1982 ; the construction work was done between 1991 and 2006 ; and the project concluded on December 31 , 2007 , when the partnership between the program manager and the ___MASK80___ Turnpike Authority ended . The Lechmere Viaduct is a concrete arch bridge connecting the ___MASK62___ End neighborhood of Boston to ___MASK92___ ___MASK87___ , ___MASK80___ . Opened in 1912 , the viaduct carries the MBTA ' s Green Line over the Charles River . It is adjacent to the Charles River Dam Bridge , but structurally separate . The Charles ___MASK1___ ( sometimes called the ___MASK1___ Charles or simply the Charles ) is an long ___MASK1___ in eastern ___MASK80___ . From its source in Hopkinton the ___MASK1___ flows in a northeasterly direction ( after first coursing due south through Milford ), traveling through 23 cities and towns before reaching the Atlantic Ocean at Boston . A combined statistical area ( CSA ) is composed ___MASK32___ adjacent metropolitan ( MSA ) and micropolitan statistical areas ( µSA ) in the United States and Puerto Rico that can demonstrate economic or social linkage . The United States Office ___MASK32___ Management and Budget defines a CSA as consisting ___MASK32___ various combinations ___MASK32___ adjacent metropolitan and micropolitan areas with economic ties measured by commuting patterns . These areas that combine retain their own designations as metropolitan or micropolitan statistical areas within the larger combined statistical area . Storrow Drive is a major crosstown parkway in ___MASK81___ , ___MASK80___ , running east and north along the Charles River to Leverett Circle . It is restricted to cars ; trucks and buses are not permitted on it . The road , legally known as James Jackson Storrow Memorial Drive , officially ends at its eastward junction with Route 28 ( near Arlington Street ) and continues as David G . Mugar Way ( formerly Embankment Road ), concurrent with Route 28 . ___MASK60___ is a country that is part ___MASK32___ the United Kingdom . It shares land borders with ___MASK94___ to the north and Wales to the west . The Irish Sea lies ___MASK51___ ___MASK32___ ___MASK60___ and the Celtic Sea lies to the ___MASK59___ . ___MASK60___ is separated from continental Europe by the North Sea to the east and the English Channel to the south . The country covers five - eighths ___MASK32___ the island ___MASK32___ Great Britain ( which lies in the North Atlantic ) in its centre and south ; and includes over 100 smaller islands such as the Isles ___MASK32___ Scilly , and the Isle ___MASK32___ Wight . New ___MASK60___ is a geographical region comprising six states of the northeast United States : Connecticut , Maine , ___MASK80___ , New Hampshire , Rhode Island , and Vermont . It is bordered by the state of New York to the west and south , and the Canadian provinces of New Brunswick and Quebec to the northeast and north , respectively . The Atlantic Ocean is to the east and southeast , and Long Island Sound is to the south . Boston is its largest city . Its largest metropolitan area is Greater Boston , which also includes Worcester ( the second - largest city in New ___MASK60___ ), Manchester ( the largest city in New Hampshire ), and Providence ( the capital and largest city of Rhode Island ), with nearly a third of the entire region ' s population .