I've seen small electric devices that you can attach to your frame, which when triggered, generate enough of a magnetic field to trigger sensors.

But, yes, treating it as a flashing red is the reasonable thing.

As a motorist, and sometimes cyclist, the thing that bugs the crap out of me are cyclists who are so anxious not to lose momentum that they run lights and stop signs without such care.

Ditto those who ride at night without lights - I've seen whole families doing that here in MA.