Difference in enforcement, consequences, and social norms. Europeans avoided the cupholder for so long. A significant and costly driving test, versus practica

Difference in enforcement, consequences, and social norms. Europeans avoided the cupholder for so long. A significant and costly driving test, versus practically free and quick in the US. A $100 fine for being caught with a cell phone versus losing your license. And, of course, a realistic alternative in public transit and walkable communities.