By Luis Lopez, AI transportation consultant, CEO of Go Hub.io Holdings Corp and subsidiaries, and host of the Freight Guru Podcast
A pallet label looks like a small detail, but it is often the only thing connecting a physical shipment to its paperwork once it leaves your dock. In an LTL terminal, freight is unloaded, sorted and reloaded several times. On a multi-stop truckload, a driver may be handling freight for several consignees. When labels are missing, unclear or contradictory, freight gets misrouted, delayed or delivered short. Good labeling is one of the cheapest ways to prevent those problems.
What Goes on a Pallet Label
A freight label should let anyone handling the pallet answer three questions quickly: where is this going, which shipment does it belong to, and how many pieces should travel with it. At a minimum, include:
- Shipper name and address. So the freight can be traced back to origin if something goes wrong.
- Consignee name and full delivery address. Include the suite, dock or building number if relevant.
- Bill of lading number. The BOL number ties the pallet to the shipping document.
- PRO number. In LTL, the carrier’s PRO number is its tracking reference. Many carriers provide PRO stickers to apply at pickup.
- Purchase order number. Receivers often check in freight by PO, so it should be visible.
- Piece count. Number each handling unit as “1 of 4,” “2 of 4” and so on.
If you are unsure how these reference numbers differ, our explainer on PRO, BOL and PO numbers covers each one.
Why “1 of N” Matters
Piece numbering is one of the most valuable things on a label. If a shipment has five pallets and each one is marked “1 of 5” through “5 of 5,” a dock worker can tell immediately when one is missing. Without it, a pallet left behind in a terminal may not be noticed until the receiver counts the delivery, and by then it can be hard to locate.
Make sure the piece count on the labels matches the handling unit count on the BOL. If the BOL says four pallets and the labels say “1 of 5,” expect questions at pickup and confusion at delivery.
Label Placement
Where you put the label is almost as important as what is on it.
- Label at least two sides. Pallets get turned, stacked and pushed against trailer walls. A label on two adjacent sides makes it far more likely that one is visible.
- Place labels on the freight, not just the wrap. Labels on outer stretch wrap can tear off when the wrap is cut or snagged. Many shippers place one label under clear wrap or on the cartons themselves and one outside.
- Keep labels at a readable height. A label at the very bottom near the forks is easy to damage and hard to scan.
- Avoid seams and edges. Labels wrapped around corners are hard to read and easy to peel.
Handling Marks
Handling marks tell people how to treat the freight. Common ones include:
- Orientation arrows. “This side up” arrows for freight that must stay upright.
- Do not stack. For freight that cannot support weight on top. Note that a top-load restriction can affect how a carrier loads the trailer and may affect pricing, so declare it when quoting.
- Fragile. Useful, but not a substitute for proper packaging.
- Keep dry. For freight that is sensitive to moisture.
Use handling marks honestly and sparingly. If every pallet says fragile and do not stack, the marks lose their meaning. Our guide to the top causes of freight damage goes deeper into packaging and loading practices.
Hazmat Labels and Markings
Hazardous materials have their own labeling and marking requirements, which are separate from ordinary freight labels. Hazmat packages may need specific hazard class labels, identification numbers, proper shipping names and other markings depending on the material and packaging. These requirements are detailed and specific to each material. They should be handled by staff trained in hazmat shipping rules, not by general guesswork. Your freight label should never cover or obscure required hazmat labels or markings.
Retailer Compliance Labels
Many large retailers and distribution centers publish routing guides that specify exactly how inbound freight must be labeled. These guides often require particular label formats, specific information fields, barcode types and placement locations. Some require labels on every carton as well as every pallet.
If you ship to retailers, get the current routing guide for each one and build your labels to match. Non-compliant labels can lead to refused receipts, delayed check-in or chargebacks. Our article on retail vendor chargeback disputes covers what happens when compliance goes wrong.
Barcodes
Barcodes let warehouses and carriers scan freight instead of typing numbers by hand, which reduces errors. A few practical points:
- Print barcodes at a quality that scans reliably. Faded thermal labels and low-resolution printing cause read failures.
- Include the human-readable number beneath the barcode, so freight can still be identified if the scan fails.
- Test labels with the same kind of scanner your receiver or carrier uses whenever possible.
As an AI transportation consultant, one of the first things I look at when a shipper wants to automate receiving or tracking is label quality. Scanning, computer vision and automated matching all depend on labels that can actually be read. No software fixes a label that is smeared, torn or missing.
Remove Old Labels
Reused pallets, cartons and totes often carry labels from earlier shipments. Old labels are a common cause of misrouted freight because a sorter or driver may read the wrong one. Before you ship, remove or completely cover any old shipping labels, barcodes and address marks. Do not just add a new label next to an old one and hope the right one gets read.
Match the Labels to the BOL
The final step is a simple cross-check before the driver leaves. Confirm that:
- The consignee and address on the labels match the BOL.
- The BOL number and PRO number on the labels match the paperwork.
- The piece count on the labels matches the handling unit count on the BOL.
- Any special handling notes on the BOL are reflected on the freight.
Freight labels cost very little to do well. Spending a few extra minutes at the dock on clear, consistent, correctly placed labels prevents a large share of the misroutes, shortages and delays that eat into service and margin.
For more conversations on freight and AI, subscribe to the Freight Guru Podcast.
About the author: Luis Lopez is a Miami-based AI transportation consultant and logistics entrepreneur, the CEO of Go Hub.io Holdings Corp and subsidiaries, and host of the Freight Guru Podcast.
