Carrying cars looks like the gentlest work in haulage - clean freight, no pallets, no tipping. In practice the car transporter is one of the most technical outfits on the road: a high, articulated frame carrying eight or nine independently weighted loads whose combined centre of gravity decides whether the whole combination stays shiny side up. The official load-securing guidance has a dedicated section for the sector, and its rules repay reading.

The load plan comes first

The guidance’s first instruction is the one the sector skips most expensively: complete a load plan before loading a dedicated car transporter. The plan exists to guarantee the fundamentals - axle weights kept legal across a deck whose every car moves the balance, the load’s distribution calculated before the first vehicle climbs the ramp, and the combination’s weights verified rather than assumed. A transporter’s axles are exquisitely sensitive to placement: move one SUV from bottom rear to top front and the drive axle gains or sheds legality. The plan is the difference between knowing and hoping.

The guidance adds two placement rules that follow from the physics. Orientation: vehicles carried on specialised car transporters should face forward, unless the loading scheme says otherwise or a vehicle’s weight would overload an axle - the forward default is about weight distribution and aerodynamic loading, and the exception is deliberately narrow. And the rollover rule: car transporters have a high centre of gravity compared with many other goods vehicles - place heavier vehicles on the lower deck to reduce the risk. That sentence is the sector’s daily reality in one line: every load is a stability calculation, and the heavy car on the top deck is borrowed safety.

The securing standard

Cars are wheeled loads, and the securing works on the wheels: the chocks, straps and wheel-engaging equipment specified for the vehicle type, applied to every vehicle on the deck - not the ones that are easy to reach. The guidance’s load-type sections treat cars and light vans up to 3,500kg on dedicated transporters as their own case, with heavier vehicles over 3,500kg on transporters as another - the van or pickup that exceeds the light category changes the securing and the weight arithmetic together. Loose-wheel reliance - parking brake and gear - is not securing; the brake fades, the transmission is not a restraint, and the ferry or the emergency stop finds the difference.

The operational edge cases

The sector’s recurring traps sit at the boundaries. The non-runner: the car that cannot drive on must be winched and chocked with the same securing standard - a dead car is heavier work, not lighter rules. The mixed deck: cars and vans together, where the 3,500kg line runs through the load and each vehicle must be weighed into the plan by its real figure, not its brochure one. And the height: the loaded transporter runs close to the legal height on some decks, and the route needs the bridge clearance the satnav never asks about - the loaded height belongs on the plan next to the weights.

The takeaway

Car transporters run on three disciplines: a load plan before loading, heavier vehicles on the lower deck against the high centre of gravity, and every vehicle secured at the wheels to the standard its weight category demands. The sector’s trucks are tall, heavy and expensive to turn over - the plan is what keeps them upright and legal.

The damage dimension

Vehicle carriers carry their customers’ most dentable freight in the open air, and the damage claim is the sector’s background radiation: stone chips, scratches on the ramps, the mirror clipped on the upper deck. The defence is the same discipline as the securing: the condition of every vehicle recorded at collection - the photographic walkround the auctions taught the industry - matched again at delivery, so the damage conversation has evidence instead of argument. The load plan’s quiet second benefit lives here too: the planned load is the undamaged load, because the improvised deck layout is the one where the last car squeezes past the second-to-last’s open door. In a sector where the freight arrives with its own panel-by-panel condition report, the transporter’s paperwork is its margin.

The takeaway, again

Plan the load before the first ramp drops, heavy cars low, everything facing forward unless the scheme says otherwise, and every vehicle strapped at the wheels. The car transporter’s enemies - rollover, axle overload, damage claims - are all beaten on paper before they can be met on the road.

The driver’s hour on the deck

The guidance’s rules land on one person: the driver loading the deck. Loading is skilled, slow work done under time pressure at height - the ramps, the decks, the narrow tracks of a modern SUV on wet steel. The fleets that run transporters safely protect the loading time, train the deck work properly, and treat the driver who stops a bad load as right by definition: the car that will not fit the plan waits for a plan that fits it. Falls from the deck and crush injuries on the ramps are the sector’s injury pattern, and they are prevented by the same unglamorous means as the load rules - three points of contact, decks maintained, nobody hurrying at height for a schedule. The freight is insured; the driver is not replaceable.

Sources