Early alignment Massachusetts Route 25

route 25 west @ exit 2 , glen charlie road overpass in wareham

the origins of route 25 date 1947, when massachusetts department of public works (massdpw) announced plans expressway link i-95 in foxborough cape cod. planned route given route 25 designation northwest of planned interchange fall river expressway (route 24) in raynham , route 28 designation southeast of route 24. after ten years of planning studies, route received preliminary approval massdpw in 1957, , construction began in 1958; entire route designated route 25 in 1962, route 28 instead being aligned on local roads. portion of freeway between route 24 in raynham , i-195 in wareham completed in 1967. in 1969, massdpw extended freeway eastward 6 in wareham.

in 1970s, massdpw changed planned designation of unconstructed route 25 expressway northwest of route 24 i-495. when portion of i-495 completed in 1982, state designated existing alignment of route 25 between route 24 , i-195 interchange in wareham i-495. after reassignment, route 25 shortened 2.5-mile (4 km) stretch i-195 east downtown wareham.

from 1969 until 1987, eastern terminus of route 25 @ junction maple springs road, 6 , route 28 in wareham near modern location of exit 2. massdpw , massachusetts highway department (masshighway) had plans extend freeway eastward cape cod 1953, when route included in proposed cape cod expressway connect new york city cape cod. route 25 planned connect sagamore bridge, carried 6 on cape cod canal , used access towns of hyannis , provincetown. in 1962, however, massdpw conducted traffic studies on 2 bridges crossing canal , found sagamore bridge above vehicular capacity, whereas more southern bourne bridge had excess capacity. route 25 freeway redesigned cross on bourne bridge , connect mid-cape highway (us 6) on southern side of canal via proposed southside connector. connector have been constructed through massachusetts military reservation in bourne, canceled massdpw , masshighway in 1977 when environmental tests indicated freeway disturb underground aquifers serving water sources region. massdpw instead changed proposed eastern terminus of route 25 expressway approach ramps of bourne bridge.