RFID in transportation uses radio waves to read information from trucks, freight, containers, pallets, trailers, baggage, and other items at designated checkpoints. It helps eliminate hand checks, detect loading mistakes, and provide transport staff with accurate information on movement.
The reading effectiveness depends on the speed of the vehicle, the presence of metal, liquid contents, distance between lanes, outdoor conditions, local regulations concerning UHF frequencies, and software integration. The following is a guide on how transport RFID technology operates, what its uses are, the types of RFID, and the selection criteria.
What Is RFID in Transportation?
An RFID technology consists of four elements: a tag, a reader, an antenna, and some software. The tag contains a unique ID. The software associates the ID with a specific truck, cargo, pallet, container, or other transportation unit. In the logistics yard, a reader detects a truck with an RFID tag at the entry gate. Booking information is verified, and the driver gets an assigned bay.
In passive RFID, the last point of tracking is recorded. GPS, active RFID, BLE, UWB, or other technology is used for real-time location on the road or in the yard.
How Does an RFID Transportation System Work?
The reader identifies tagged items on vehicles or cargo at gates, docks, loading bays, and handover points. The software rejects redundant reads, verifies the read point and direction, and matches the tag ID with the appropriate record.
- The reader identifies the tag ID.
- The software verifies the read point and direction
- The tag ID is associated with the right truck, cargo, pallet, or asset.
- The ERP, WMS, TMS, YMS, or any business application logs the activity.
Which Types of RFID Are Used in Transportation?
RFID selection depends on the required read distance, object, and frequency of location.
| Requirement of transport | RFID to Use | Reason for suitability |
| Identification of vehicles or personnel at short distances
| LF RFID | Controlled read at short distances |
| Trucks, pallets, trailers, containers, luggage | Passive UHF / RAIN RFID | Longer-range batch scanning without batteries |
| Personnel cards and transit identification | HF RFID | Read cards at short distances |
| Payment of fares and mobile access | NFC | Fast tapping at very short distances |
| Cold chain sensing | BAP RFID
| Improves tagging and sensor capabilities |
| Big yards and valuable assets | Active RFID | Improved coverage and location update frequency |
Most cargo and vehicle, pallet, trailer, and container applications can use passive UHF RFID. It is batteryless and can scan several tags within one pass. HF RFID and NFC will suit short-range ticketing. Active RFID is suitable for assets requiring more frequent location updates and a wide coverage area.
The range of UHF RFID depends on such factors as mounting surface, antenna position, reader power, vehicle speed, tag orientation, surrounding material, and radio restrictions.
Key Applications of RFID in Transportation
RFID captures information on vehicles, cargo, and assets at critical transportation points.
RFID for Vehicle and Fleet Identification
RFID technology is used to identify trucks, buses, or any other kind of service vehicle either at gates or checkpoints. An RFID identification tag can be linked with the license plate number, the driver’s name, booking details, route, cargo, permissions, or maintenance details.
At the distribution center, the reader verifies the booking details and registers the entry time.
RFID for Yard and Gate Management
RFID captures the movement of the truck or trailer through gateways, yards, docks, service bays, and out of the site without manual intervention. The trailer may move from the yard to the dock and leave the site. License plate recognition can be an additional validation method.
RFID for Cargo and Loading Verification
RFID captures tagged pallets, boxes, or other cargo and validates them against the booking list. When the pallet is part of a different booking, the inconsistency is noted before the shipment leaves the distribution center.
RFID for Pallets and Returnable Transport Items
RFID provides unique identification for pallets, crates, roll cages, racks, and reusable containers. The records can provide the last location, current ownership, whether returned, and how long they have been out. RTIs require a tag capable of dealing with cleaning, wet conditions, impact, and general abuse.
RFID for Trailer and Chassis Tracking
RFID records trailer and chassis entry, exit, servicing, and yard zone movements. The employee can verify the last recorded zone rather than the whole yard.
RFID in Ports and Container Transportation
The use of RFID in ports includes the identification of containers, trucks, chassis, electronic seals, automated gates, and other yard assets.
| Record | What It Tracks |
| Container | Actual container |
| Shipment ID | Goods or transportation order |
| Seal status | Status of the seal |
The truck or container number is cross-referenced with the booking during gate entry. A camera can validate the plate or container number before entry.
RFID in Aviation and Baggage Tracking
RFID technology is used by airports for luggage check-in, sorting, loading, transfer, arrival, and baggage return. If a passenger’s luggage doesn’t board the plane on time, staff can track the last recorded location. IATA Resolution 753 requires baggage tracking at major custody points.
RFID in Tolling and Public Transportation
RFID-based toll systems match a passing vehicle with a payment account via an RFID tag, lane reader, sensor, payment system, and database. Bus, rail, and metro systems employ HF RFID/NFC technology for proximity payments and entry. Freight transportation uses UHF RFID for long-range vehicle and asset identification.
Challenges of RFID in Transportation
Metal Surfaces
Steel affects the operation of a UHF tag and reduces its reading range. Apply an on-metal tag for trailers, containers, and other conductive materials, and check the final placement area.
Liquids and Refrigerated Cargo
Water absorbs UHF signals and reduces read performance around large amounts of liquid. Place the tag where the load blocks fewer signal waves. Cold chain tags need testing at their intended temperatures and under condensation.
High-Speed Vehicle Reading
Fast-moving vehicles spend less time in the read area. Tag location, antenna orientation, zone distance, and reader settings need to match the vehicle speed.
Cross-Reads Between Adjacent Lanes
If the read zone extends into another lane, the wrong vehicle can be logged. Directional antennas, lower reader power, shielding, triggers, and filters help keep adjacent lanes separate.
Outdoor and Harsh Environments
Transportation tags face moisture, sun, heat, cold, vibration, salt, dirt, impacts, and chemicals. Outdoor tags built for long-term use need stronger construction than single-use shipment tags.
Regional UHF Frequencies
UHF bands and reader power limits vary by country. The correct band and power setting need to be confirmed before configuration.
How to Choose RFID Tags and Readers for Transportation
| Application of Transport | Tag + Reader | Factors to Consider First |
| Gate of trucks
| Vehicle UHF tag + fixed reader | Read speed and neighboring lanes |
| Metal trailers
| On-metal tag + fixed/handheld reader | Read mounting point and vibrations |
| Containers
| On-metal tag + gate reader | Reflections and separation of lanes |
| Cartons/pallets | UHF label + dock reader | Batch reading and product material |
| Returnable crates
| Reusable tag + fixed/handheld reader | Cleaning, shock resistance, and durability of tag |
| Cold chain
| Sensor/BAP tag + monitoring reader | Temperature and humidity |
| Ticketing | HF/NFC card + short-range reader | Distance and speed of tap |
Specify the read range, speed of movement, mounting surface, number of tags, environment, sensor requirements, country of deployment, and software interface before selecting hardware. Test the selected tag on the intended vehicle, container, pallet, box, or other transport asset.
How to Implement RFID in Transportation
Identify an initial quantifiable problem. “Check-in of the truck takes ten minutes” is a problem that allows the pilot to measure from the beginning.
- State the problem and KPI.
- Map vehicles, cargo, handover, and reading locations.
- Establish a business record for each RFID identification.
- Check RF coverage, lanes, power, and network connectivity.
- Perform tests of the tags and reading zones at operational speed and loading.
- Run a pilot at one entry point, dock, lane, or group of assets.
- Connect RFID events with the ERP, WMS, TMS, YMS, or other business systems.
- Set up rules for missed readings, duplicates, wrong-lane readings, and network interruptions.
- Measure the results of the pilot versus the baseline.
If transportation data are shared by several organizations, apply the same ID and event rules. GS1 and EPCIS allow those records to be kept identical. Keep only relevant information on the tag and secure communication with the system.
RFID Cost and ROI in Transportation
The cost of an RFID system consists of tags, readers, antennas, software, installation, implementation, testing, training, and maintenance. For active RFID, battery and service costs are also sustained.
Benefits include fast handling at gates, reductions in loading errors, asset losses, search time, and manual labor.
Annual Net Savings = Annual Benefits – Annual Cost of Operation
Match costs with traffic volume, labor, error losses, asset value, and pilot project data.
Frequently Asked Questions
How is RFID used in transportation and logistics?
RFID identifies vehicles, cargo, pallets, trailers, containers, luggage, and reusable assets at predefined checkpoints. Each read provides details about arrival, loading, transfer, or departure events.
Can RFID track a truck in real time?
Passive RFID gives the last checkpoint where a truck is detected. For location update tracking, one uses GPS, active RFID, BLE, and UWB technologies.
How far can an RFID vehicle tag be read?
Passive UHF RFID vehicle tags can read up to several meters in a properly tuned system. The actual range varies with the tag type, mounting location, antenna configuration, vehicle speed, and local regulations.
Can RFID tags be read on moving vehicles?
Yes. The read range needs to correspond with the expected vehicle speed and lanes. The faster a vehicle travels, the less time there is for the reader to detect a tag.
Does RFID work on metal containers and trailers?
Yes. RFID on-metal tags are designed to work on steel containers, trailers, and chassis. Standard UHF tags lose range if installed directly on metal surfaces.
Which RFID frequency is best for transportation?
Most transport operations require passive UHF. HF/NFC frequencies are used for close-range applications and access control. Active RFID is used for large sites and assets requiring regular location updates.
How does RFID track vehicles and cargo?
RFID readers detect a unique tag ID at selected transport points. The software associates the tag ID with a particular vehicle, cargo, pallet, container, or asset.
Conclusion
Successful RFID implementation in the transportation industry requires a read point that is compatible with the actual movement of vehicles, cargo, and assets. Movement detection and correct identification depend on tag location, speed, surrounding materials, and environmental conditions.
Since 2010, JLTRFID has been producing RFID products for customers in more than 100 countries. Share your transport application, asset type, read distance, speed, mounting surface, environment, country of use, and quantity. Our experts will help you choose suitable tags and readers and provide samples for testing before mass implementation.
