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Old 05-29-2012, 05:49 PM   #17
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Re: Additional lane on the Southeast Expressway

The two-tracking of the Old Colony Line through the Savin Hill area could be accomplished relatively cheaply by simply merging the Braintree and Ashmont Red Lines into a single two-track line, thus making available two additional tracks through the area for other uses. One of those tracks could be added to the Old Colony line, making it into a two track sytem. The other track's space could be added to the SE Expressway pavement, thus adding enough pavement width to have a 12' wide reversible center (zipper) lane on the Expressway.

This would avoid the need for any tunneling, and cost a small fraction of the proposal in the report.
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