It might be on a timer, but if so, it's weird that at 2am the main street at the intersection has a red for over 60 seconds. I've driven down Somerville Ave pretty frequently, and except for this time (which was the only time I've gone as late as 2am), I've never had a problem.

Whatever they're using, something isn't working as intended.

The Mossland/Somerville Ave light is the same way; people always run it after sixty seconds. Both lights should blink that time of night.

At least Mossland/Beacon/Somerville has something like 4+ unique phases, so long cycle times make sense. This light is at a simply 4-way intersection! It's hard to believe that Dane St should have a 60+ second green in ANY situation.

I think Mossland/Beacon/Somerville does become blinking red/yellow after midnight or so, as does Somerville/Park. Some of the new lights they set up have yet to be configured that way. Presumably the explanation, as with any complaint about anything related to Somerville Ave, is "it's temporary and will be addressed in the process of finishing the Somerville Ave project."

Recently witnessed this switch to blinking yellow/red at night, so I'm going to close this as either fixed or a non-issue.