Larger vehicles need to travel faster to get past all the infrastructure needed for large vehicles to move fast. Then congestion and traffic control erases any

Larger vehicles need to travel faster to get past all the infrastructure needed for large vehicles to move fast. Then congestion and traffic control erases any benefit that moving fast through medoum density might incur and you wind up moving under 40 on average anyway. Smaller slower EVs with roundabouts are faster on average.