Originally Posted by
unterhausen
around here they seem to always put down new sensors when they repave. Not sure what is up with that, but at all the intersections where I want to trigger the light, it's clear there are saw cuts. There is only one road on my commute that seems to have sensors but doesn't have cuts, and the road is brand new. There is a crack that I think may mark the sensor, but cars keep coming along and ruining my experiments in triggering the light
If they are just putting new asphalt down on top of old, rarely are new loops put down here. If they rotomill the asphalt, they may break the old wires and have to replace them. That's dependent on the depth of the milling.