CPC E01F 9/559 (2016.02) [F21S 8/032 (2013.01); F21S 9/037 (2013.01); G01W 1/02 (2013.01); G08G 1/0116 (2013.01); G08G 1/0133 (2013.01); G08G 1/0175 (2013.01); G08G 1/042 (2013.01); G08G 1/048 (2013.01); G08G 1/052 (2013.01); G08G 1/095 (2013.01); G08G 1/164 (2013.01); G08G 1/166 (2013.01); H05B 45/10 (2020.01); H05B 45/12 (2020.01); H05B 45/18 (2020.01); H05B 47/19 (2020.01); F21W 2111/02 (2013.01); F21Y 2115/10 (2016.08); G06F 1/26 (2013.01); G08G 1/167 (2013.01); H05B 47/11 (2020.01)] | 19 Claims |
1. A roadway stud comprising:
a processor;
a wireless communication interface electrically coupled with the processor;
a vehicle detector electrically coupled with the processor;
a global positioning system (GPS) receiver electrically coupled with the processor; and
a light source electrically coupled with the processor, wherein:
the processor is configured to:
transmit a location of the roadway stud via the wireless communication interface; and
illuminate the light source upon receiving a first activation signal via the wireless communication interface;
the GPS receiver is configured for reducing distance error occurring when installing the roadway stud on a roadway;
and
the light source and the vehicle detector are configured for:
allowing the roadway stud to be installed to identify a lane boundary to a driver of a vehicle when approaching the roadway stud; and
detecting a presence of the vehicle when passing the roadway stud.
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