TRS Plus Traffic Counter and Classifier

The TRS Plus line of traffic counters offers superior traffic data collection capability and flexibility. The standard display is a 4-line by 20-character LCD. The 16 alphanumeric keys allow the user the option to program the unit without the use of a computer. Depending on the application, the unit can be packaged in a weatherproofed portable enclosure or rack mounted for permanent installation. The portable unit can be equipped with a solar panel as an option.

The TRS Plus traffic counter is capable of real-time traffic monitoring. The TRS Plus continuously calculates and makes available Volume, Occupancy, and Speed (VOS) data. Data can be downloaded from the site without interrupting the VOS calculation process.

The TRS Plus traffic counter can be operated via the integrated keypad and display or via a serial link with a computer or modem. Upon power up, the TRS Plus is completely menu driven for ease of use in the field. To serve the special needs of many different users, the TRS options include: solar panel, expandable memory, environmental sensors and WIM.

The TRS Plus traffic counter has been upgraded to include expanded internal memory, flash upgradeable firmware, and USB ports.

  • Up to 24 inputs
  • Compatible with tube, piezo, loop, contact and environmental sensors
  • 20-Character by 4-line display
  • Binned and Event data
  • Portable/Permanent
  • Real-time clock
  • Piezo Weigh-in-Motion (WIM)
  • 8 Lanes of Classification
  • 8 GB internal memory
  • 2 RS232 serial ports (communications and real-time ITS applications)
  • 2 USB ports – for flash drive (take away memory) and communications
  • Backwards Compatible
  • Flash upgradeable firmware
  • Bluetooth® wireless technology optional


Cast aluminum (powder coat); Sheet metal card cage (TRS Rack II)
Time periods:
1 to 60 minute intervals
FHWA 15-category classification or a user-set classification table
Data Storage:
8 GB standard, up to 16 GB; User-set memory rollover
Typically 45 days per charge; On/Off switch standard, Optional Solar Panel
TRS Plus Dimensions:
7in x 13.5in x 6in (17.8cm x 34.3cm x 15.2cm)
TRS Plus Mini Dimensions:
9in x 7in x 5in (22.9cm x 17.8cm x 12.7cm)
TRS Rack II Dimensions:
19in card cage (48.3cm card cage)
TRS Weight:
Less than 15lbs (6.8kgs)
TRS Mini Weight:
Less than 10lbs (4.6kgs)
20-character by 4-line
Self adjusting air switches. Meets or exceeds TMG and ASTM standards
RS232 serial comms from 300 to 115 K baud, USB, optional Bluetooth®

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