LEGO 40303 Vehicle Set is a City Traffic set released in 2018, containing 79 pieces. It is an accessory pack of elements intended for customizing and upgrading LEGO City vehicles. The set includes an A2-sized inspiration poster highlighting modification ideas tied to sets 60175 Mountain River Heist, 60176 Wild River Escape, 60182 Pickup & Caravan, 60183 Heavy Cargo Transport, 60188 Mining Experts Site, and 60194 Arctic Scout Truck.