You need to evaluate the projected path ahead for alternate ... in case of a potential hazard.

alternate path of travel

Explanation:

While driving, it is essential to know the fundamental space management system. The space management system comprises search, evaluate and execute. Firstly, you need to search for anything and conditions while driving. Secondly, you need the path ahead for an alternate route of travel. And lastly, you need to know how to adjust the speed and other parameters while driving.