I plot my routes in the car based on the total score of a route composed of points for left turn, right turns, lights, etc. Avoiding left turns at a light is a

I plot my routes in the car based on the total score of a route composed of points for left turn, right turns, lights, etc. Avoiding left turns at a light is a big goal. I know others do this too (notably UPS’s supposed optimization of only making right turns).