Cross docking is a logistics method where goods are unloaded at a warehouse and quickly reloaded onto another vehicle, without long intermediate storage. Cargo often stays on site for less than 24 hours. The aim is faster delivery and lower storage costs.
In ocean freight, this transfer is often called transloading: cargo comes out of a sea container and continues by trailer. Below, we explain how both work, how they differ and when each makes sense.
How does cross docking work?
The term comes from "crossing the dock". Goods move from the receiving side of the warehouse to the shipping side. A cross dock is a transfer point, not a storage location.
- Arrival. A truck or container arrives at the unloading dock.
- Unloading and checks. Goods are unloaded, counted and checked for damage.
- Sorting. Goods are grouped by customer, destination or route. If needed, they are palletised or relabelled.
- Loading. On the other side of the warehouse, goods go onto the outbound vehicle.
- Departure. The onward transport leaves, often the same day.
Each pallet's destination can be fixed in advance or assigned at the cross dock. What must be in place is the outbound flow. If onward transport isn't planned, goods sit and the cross dock becomes storage.
What is the difference between cross docking and transloading?
The terms are often used interchangeably, but they focus on different things. Cross docking is about moving goods through quickly, with little or no intermediate storage. Transloading is about transferring goods to another mode of transport or load type, for example from rail to road. In ocean freight, it usually means cargo unloaded from a sea container and sent on by trailer.
That difference matters in practice. Containers from Asia often arrive floor-loaded: cartons stacked to the ceiling, no pallets. Before onward transport by curtainsider, we palletise those cartons so they can be handled easily and secured properly. A standard trailer takes 33 Euro pallets on the floor, as shown in our guide to trailer dimensions.
In reality the two often overlap within the same operation. A container is transloaded onto trailers near the port, and further down the chain a distribution centre splits the same pallets across smaller delivery vehicles.
What types of cross docking are there?
- Pre-distribution cross docking. The supplier has already built pallets per end customer. The cross dock only unloads and reloads.
- Post-distribution cross docking. Goods are assigned a destination at the cross dock. Pallets are distributed across outbound loads, sometimes split or combined with goods from other suppliers.
- Hybrid cross docking. Part of the shipment moves on straight away, the rest goes into short-term storage until needed.
When does cross docking pay off?
Cross docking pays off when savings on transport, storage and container costs outweigh the extra cost of unloading, sorting, palletising and reloading. That is mostly the case in four situations.
One container, several destinations. Take a 40 ft container with goods for customers in Germany, France and the Netherlands. Instead of driving the full container from one address to the next, it is unloaded near the port and three trailers leave directly for their destinations.
You want the container back empty, fast. Shipping lines give a limited number of free days. After that, you pay demurrage for a container at the terminal or detention for a container outside it. A container unloaded straight away goes back to the carrier sooner.
Small shipments need consolidating. Shipments from different suppliers for the same region travel together in one load. That means fewer half-empty trucks on the road.
The goods are urgent. Production parts, perishables and seasonal products gain nothing from days in a racking system.
When is storage the better choice?
Cross docking requires onward transport that can leave quickly. If you don't yet know when or where the goods need to go, conventional storage is the logical choice.
Cross docking is also more sensitive to delays. If the container is released a day late or the outbound truck is stuck in traffic, the whole schedule shifts. A short period of temporary storage absorbs this, but agree on it beforehand.
What should you watch out for when cross docking at the port?
Customs status. If a container at the Port of Antwerp-Bruges holds non-Union goods that have not yet been released for free circulation, you cannot simply unload them in an ordinary warehouse. The transfer must take place at an approved location and follow the applicable customs formalities. Depending on the shipment, goods are cleared first, kept under temporary storage or a customs warehousing procedure, or moved under external transit (T1) to an approved destination. A T1 on its own does not allow you to unload anywhere.
Information in advance. The packing list, quantities, dimensions, weights and split per destination must be known before the container arrives. Each outbound shipment gets its own transport document, such as a CMR or e-CMR for road transport.
How the container is loaded. Floor-loaded or palletised makes a big difference in handling and time, and therefore in price. Mention it when you request a quote.
Dimensions. What fits in a container doesn't always fit a trailer the same way. Compare the container dimensions with the outbound vehicle's load space before you plan.
How does PLS handle cross docking?
At PLS, we call this transloading. It is usually built into the full transport, from ocean freight via Antwerp to final delivery, together with our customs services. Where a transfer makes a route faster or cheaper, we suggest it ourselves. You don't need to ask for it to benefit from it. Read more about our warehousing and storage services.
Have a container that needs to go to several destinations, or wondering whether a transfer could make your transport faster or cheaper? Send us the packing list and destinations, and we'll work out the best approach together.