Largest truck-to-rail shift in a decade as capacity rules bite

The Analysis

A rail ramp is not a road. A road takes whatever you put on it, whenever you put it there. A ramp takes what its gate, its lift and its track can take, in the hour it says it will take it. Everything about the truck-to-rail shift now underway runs through that difference, and almost nobody plans for it.

The numbers say this is the biggest shift in a decade. A February rule on non-domiciled commercial licences, plus diesel sitting high with Hormuz closed, has shrunk the driver pool and widened the gap between running a box on rubber and running it on steel. US intermodal is up 3.8% through 32 weeks, past 9 million units. BNSF was up 9.5% in the second quarter, CSX up 8.3%. The 4 September party-of-record deadline at the STB keeps the 85 billion dollar UP-NS merger clock running.

At most companies, 3.8% is a rounding error that survives a slide without comment. Here it is a fleet. Nine million units over 32 weeks works out to about 281,000 a week, so 3.8% is roughly 10,700 units a week that used to sit on a tractor and now sit on a flatcar.

Start with what the driver rule actually removes, physically. It does not remove tractors. There are tractors parked in yards from Ohio to Texas with nobody legal to sit in them. It removes the person, and a tractor without a person is a fixed cost that keeps accruing while producing nothing. That is the worst shape a shortage can take, because the asset is present and the capacity is absent, and you cannot see the problem from the truck count.

Then look at where the freight goes, because a modal shift is not a subtraction. A 900 mile road move becomes a 40 mile dray, a 900 mile rail leg and a 60 mile dray. Truck miles fall. Truck trips do not, they double at the ends, and the trips that remain are the worst kind of work available: short, urban, appointment-bound, two hours of driving wrapped around three hours of waiting at a gate. Drayage is the one segment least able to absorb a driver squeeze, and that is precisely where the squeeze is being pushed.

So the shortage is not solved. It is relocated, into the part of the chain with the least elasticity. A long haul driver can be replaced by a rail crew and a block train. A dray driver cannot, because the move is too short to attract anyone chasing miles and too slow to be filled by someone doing it on the side. You have traded a shortage you could manage with costly incentives for a shortage you cannot manage at all.

Who this suits and who it does not is mostly a question of where the warehouse sits. A large importer with a distribution centre within 50 miles of a ramp gets a cheaper inland leg and better driver availability, because the dray is one short hop with a predictable window. A mid-size importer with a DC 200 miles from the nearest ramp has bought a 200 mile dray in both directions, which is a long haul wearing a short haul label and priced like the label. Exporters shipping into the US feel it through the delivery term rather than the rate: the box now lands at a ramp instead of a door, and whoever owns the inland leg under the agreed term owns the queue.

Sitting on top of all of it is a merger. 85 billion dollars, a procedural gate on 4 September. Whatever comes out of it decides which ramps become through-points and which become terminals, and that decides where a distribution centre should sit for the next decade. Signing a long lease next to a ramp before that is settled is a bet dressed as a plan.

Here is the figure I would not plan against. 3.8% is a year-to-date average, and averages hide exit rates. BNSF at 9.5% and CSX at 8.3% inside a single quarter, within a 3.8% year, tells you the second quarter ran at roughly double the headline. The shift did not grind through the year at 3.8%. It accelerated, and the average is now lagging behind the system it describes. Budget drayage against 3.8% and you are budgeting for a network that stopped existing in April.

That is the part the coverage misses. Everyone quotes the year-to-date number because it is the one in the release. The number that decides whether you get a truck at the ramp in October is the second-quarter run rate, and it is close to two and a half times higher.

Put a size on the gap. Assume a gate lane handling 30 trucks an hour over a 10 hour day, so 300 a day and about 1,500 a week; that is my assumption, not a figure from the article. At 3.8%, the extra 10,700 units a week need two dray moves each, which is 21,400 moves, or roughly 14 gate lanes of new demand. At a 9% run rate, 25,300 units a week becomes 50,600 moves, or about 34 lanes. The difference between planning on the average and planning on the run rate is 20 gate lanes across the network. Nobody is pouring 20 lanes of concrete this quarter, and no drayage carrier is hiring for it either.

If diesel had stayed soft and the licence rule had not landed, this shift would not be happening at decade scale. Ramps would have kept their slack, the drayage market would have stayed quiet, and the reallocation would have arrived in some later year with more warning attached. The rule did not invent the shift, it pulled it forward, and pulling it forward means it lands on a ramp network still sized for the old split between rubber and steel.

The trap is buying rail and assuming the road comes with it. A rail booking is a linehaul commitment, and the dray is a separate market with separate trucks and separate drivers. If you have not booked the appointment window, your container sits at the ramp while per diem runs and the receiver's slot goes to somebody who did book. The second trap is treating the ramp appointment as a suggestion. It is not a suggestion. It is the gate, and the gate is the constraint, not the train.

The one thing to do today is call the drayage carrier before the rail desk. The train will have space. The wheels are the question.

↑ Back to the key points

— By Ömer Kaya