sysco truck making a delivery in silver spring md. Backed into the middle of a small parking lot. No customer's can enter or leave. I'm a rep for the restaurant. I Asked the "driver" to move his truck to one side so people can get in and out......the driver went berserk and told me he's not moving the truck. I asked him again to pull to one side and all *** broke loose. ... . I don't think this guy knows how to drive. Anyway this kind of attitude and driving should be taken off the road.