Israel’s Rail Safe is developing a smart system for Israel Railways to detect objects on the tracks up to a distance of 3 km. The system, the first in the world of its kind, uses a thermal sensor that detects and classifies objects in real time, warning the driver to prevent a collision.

http://www.globes.co.il/en/article-israel-railways-develops-rail-safe-track-safety-system-1001058454