they look like weight sensors, but are not near any truck weigh stations.
2007-03-20 05:16:38 · 4 answers · asked by Howard B 1 in Cars & Transportation ➔ Safety
If I am understanding your question correctly, they look like the same strips that are near stop lights and regular surface street intersections??? In a number of states, there are electronic "pads" that can be used by law enforcement to "shock" a vehicle that will not stop or is attempting to elude the police. Another potential use is that these same strips will electromagnetically detect stopped traffic on the highway and alert authorities to the volume of stopped or slowed traffic due to an accident, weather or generally high traffic volume. There is a HUGE infrastructure that makes up our highway system and using these "smart road" technologies, traffic can be kept moving, although not very fast all the time.
2007-03-20 17:40:06 · answer #1 · answered by Porterhouse 5 · 0⤊ 0⤋
The metal expands and contracts with the heat and cold and absorbs the stress that would damage the roadway if the entire thing moved in one piece.
2007-03-20 05:20:10 · answer #2 · answered by Toodeemo 7 · 0⤊ 0⤋
to wake you up incase you fall asleep or they are reclaiming the pavement.....depends on where you are talking about...
2007-03-20 05:20:06 · answer #3 · answered by Anonymous · 0⤊ 0⤋
they are there to alert you of the crossing of lanes unintentionally !
2007-03-20 05:20:49 · answer #4 · answered by Shashiz 2 · 0⤊ 0⤋