I would love to have the ability to know for any journey, no matter how complex, what time I need to leave to arrive on time.

Rock and Stone in the heart!

A good response. Civlised and to-the-point.

If you like Hoplite try Pawnbarian

Also in the truck driving bucket - Snowrunner. The focus is on off road trucking, mud and snow physics, with a winch that you can use to unstick yourself.