They also have to remember where roadwork is/was and what kind of traffic is best/worst at a given time. There's a fantastic Tom Scott video on it https://www.

They also have to remember where roadwork is/was and what kind of traffic is best/worst at a given time. There's a fantastic Tom Scott video on it https://www.youtube.com/watch?v=ZmWREtcDVBE https://www.youtube.com/watch?v=ZmWREtcDVBE