Projects Traffic Data Collection

Field Collection of Traffic Data – PTB 185-27, 177-15, and 169-49

Statewide, Illinois

The Illinois Department of Transportation chose DLZ to perform their annual traffic data collection program on three consecutive contracts that, when grouped together, cover five Districts across the state.

Since 2014, DLZ is managing multiple field crews to conduct 24-hour roadway counts with road tubes, NC-300/NC-350 Hi-Stars, and Miovision cameras at more than 18,000 locations.

DLZ has written custom software to check the field data for errors and process the data into IDOT’s needed GIS and database formats. DLZ, an ESRI certified solution provider, has implemented an ArcGIS-based workflow that has streamlined scheduling, tracking and field data collection, reducing errors
and improving safety.