Maths Tells Us when to Be More Alert on the Roads (1 of 2) (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption This shows a stretch of the M30. In the bottom left hand corner you can see the square frames under which the detectors are placed. Credit SICE/Madrid City Council Usage Restrictions None Share Print E-Mail 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.