BikeSense, a Rear Proximity Sensor System (IMAGE) Nanyang Technological University Caption BikeSense is a rear proximity sensor system which would warn the cyclists and drivers when a car is too close to the bicycle. Credit NTU Usage Restrictions For this story only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.