{HEAD ~ The second sensor} is adapted to send input to the control device when triggered by a passing second vehicle on the second street prompting it for switching {TAIL ~ the lights} to green for the second street 
{ HEAD ~ The second sensor } is adapted to send input to the control device when triggered by a passing second vehicle on the second street prompting it for switching { TAIL ~ the lights } to green for the second street
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH