Unexpected green light for one direction only Archived

71-99 Mason Street Cambridge, Massachusetts Show on Map Hide Map
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Civic Points: 2675

Issue ID:


Submitted To:

Cambridge, MA


Traffic Complaint (Internal)


1229 times


Neighborhood 9




Vehicle operators often run the red light turning left from Mason St onto Massachusetts Ave when the signal turns green for right turn only. The root of the problem is that there is only one red signal (which is a full circular disk), and operators are not expecting that a green signal would be a right arrow only and thus would not apply to them. See attached photo of Mason St traffic light.

It would reduce the number of drivers running the red light if there were two separate red lights, with left and right arrows, right above the left and right green arrows, respectively. Walden St at Mass Ave used to have the same problem until it was recently upgraded to such improved lights. See attached photo, right.

also asked...
Q. General complaint
A. No Answer Given
Q. Driving complaint
A. No Answer Given
Q. Walking complaint
A. Vehicles are running the red light
Q. Cycling complaint
A. No Answer Given

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