JAMAR Technologies hand-held Traffic Data Collectors are known around the world as the easiest way to collect intersection data in an electronic form for quick analysis. These units are easy to use, accurate and reliable.

Both data collectors can collect intersection turning movement data. The DB-400 can classify these movements for up to three classes of vehicles while the TDC-12 can classify these movements for up to 14 classes of vehicles. The TDC-12 can also collect eight additional types of data. For more information, click on the item you are interested in below.

l TDC-12: Comprehensive Traffic Data Collector
- Collects intersection turning movement volumes for up to 14 separate classes
- Also collects data for stop sign delay, signalized intersection delay, multi-direction gap, classification, saturation flow rate and spot speed
- Downloads to PETRAPro software
- Also collects Travel Time data for download to PC-Travel software

l DB-400: Turning Movement Counter
- Collects intersection turning movement volumes for up to 3 separate classes
- Downloads to PETRAPro software