You don't need trucks to deliver at all hours of the day; you can coordinate it such that deliveries can happen at night, or non-rush hour times. Or even allow

You don't need trucks to deliver at all hours of the day; you can coordinate it such that deliveries can happen at night, or non-rush hour times. Or even allow only delivery trucks during the day, but have them drive slow, like you see on beach boardwalks and other areas normally closed off to cars. It's not like you must choose between allowing all vehicles and allowing none of them. There are reasonable middle grounds.