Weigh Station USDOT
Number Reader System
Low-speed ramp

Accelerate ramp inspection and throughput with real-time, high confidence data  

Automated intelligence is required to accelerate throughput and support informed decision making to enforce compliance and ensure safety is maximized through weigh station inspection operations.

The Perceptics Weigh Station USDOT is a high resolution OCR imager designed to capture USDOT numbers, KYU, Motor Carrier and VIN numbers with high accuracy. When you integrate the Perceptics Weigh Station USDOT with our Weigh Station LPR, you can check against multiple databases and screen larger populations of commercial vehicles to expedite ramp inspections with data quality you can trust.

Our systems are proven to help commercial vehicle enforcement operations to:

  • Accelerate weigh station throughput
  • Reduce demand on weigh station facilities
  • Integrates with weigh-in-motion (WIM) technology
  • Act as a force multiplier for your staff
  • Access real-time, accurate data to ensure roadway safety for all travelers

The Perceptics Mainline USDOT captures USDOT, VIN, KYU, and Motor Carrier numbers at speeds of up to 45 mph.

Ultra high resolution imaging of USDOT numbers 

Integrated optical character recognition engine

Guaranteed Accuracy*

*Certain Terms and Conditions Apply

Benefits + Features

Captures USDOT, VIN, KYU and Motor Carrier numbers on commercial vehicles 

Reads USDOT numbers in numerous fonts, sizes, and locations

Fast image processing to ensure minimal latency from time of image capture to when data is reported

Convenient Web interface for remote status and configuration

Scalable architecture and proven integration with WIM and other systems


System Components

USDOT Reader Integrated system includes:

  • High Resolution Camera (5 MP)
  • Advanced Video Processor (AVP)
  • Stroboscopic Illuminator
  • Post, cables, junction box, and external power NOT included
  • Optional external sensors NOT included


Imager: 85-230VAC, 50/60Hz, 25W

Illuminator: 120VAC, 125W (continuous)

Physical Characteristics


  • Dimensions: 8.4"W x 7"H x 12"D (213.4mm x 177.8mm x 304.8mm)
  • Weight: 11.5 lbs (5.2 kg)
  • Material: Powder-coated Aluminum


  • Dimensions: 10.3"W x 9.1"H x 19.1"D (261.6mm x 231.1mm x 485.1 mm)
  • Weight: 24.35 lbs (13.6 kg)
  • Material: Powder-coated Aluminum


Operating Temp: -40°F to 158°F (-40°C to 70°C)

Humidity: 10%~90% (non-condensing)

Protection Rating: IP65


  • Operating Range: 11' minimum, 22' maximum (depending on lens option)
  • Triggered by external sensors; Lane-side, post-mounted configuration
  • Sensor Options (NOT INCLUDED): in-road loops, through-beams, or laser sensors available

Options + Enhancements