Almost all retail establishments use shippers like UPS to move inventory. Usually only grocers and a few other nationwide chains have their own trucks, and they are almost never for boutique-type stores. Having their own shiiping fleet is not cost-effective unless they are moving massive amounts of merchandise, and LV is not (at least not in comparison to lumber, food and warehouse stores).
Yeah, if there was an LV delivery truck, it would be quite some drive from the France factory to the boutique!