CBS Boston | Main Street In Watertown Shut Down After Oil Leak CBS Boston Watertown Police closed off Main Street (Route 20) between Spring Street and Waverley Avenue overnight after an oil-cooled transmission line that runs from Brighton to Watertown ruptured. Crews covered the pavement in sand to absorb the oil and the ... Crews Rush to Clean Up Watertown, Mass. Oil Spill Ruptured oil line causes traffic issues in Watertown Oil leak in Watertown prompting road closure |