Improved Right Turn Slip Lane design

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1

The angle at which the right-turn lane intersects the cross street is relatively low (e.g., closer to 110 percent, rather than 140 percent). This feature lowers motor vehicle speeds and makes it easier for drivers to see oncoming traffic.

http://pedbikesafe.org/PEDSAFE/countermeasures_detail.cfm?CM_NUM=24

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2

Grant Ave and Commonwealth heading towards Boston is a perfect example of the bad example. Lucia

3

And the proposed dog legs in the Hammond Pond Parkway plan. And the one at Lexington and Commonwealth.