Originally Posted by Da Tinker

Since bicycles are vehicles by law, then the same law implies that traffic sensors must detect all legal vehicles, which includes bicycles. Call the agency responsible for the light, report the light as not working properly. The sensitivity of these things can be set. There was the very same problem around here, until local cyclists started calling in on regular basis, reporting bad lights. Now the sensors will pick up a single cyclist, provided he gets over the wire in the pavement.

Use the law, don't fight it.