Road Research

MnROAD | Data

Field Monitoring

MnDOT staff collects pavement performance data on each of its test sections in a consistent documented method. The information below provides a description of the monitoring processes along with how to utilize the data. The data can be downloaded using the InfoPave software.

Stiffness / Pavement Deflection

• Falling Weight Deflectometer (pdf)
• Lightweight Deflectometer (pdf)

Strength

• Dynamic Cone Penetrometer (pdf) (DCP)
• Nuclear Density (pdf)
• Moisture Content (pdf)

Ride

• Pavement Management Van (pdf) (Pavetech/Pathways)
• Light weight Profiler (pdf) (LISA)

Distress

• Distress (Crack) Surveys (pdf)
• PCC Joint Faulting (pdf)
• Lane/Shoulder Drop-Off (pdf)
• Rutting (pdf)

Pavement Texture

• Sand Patch (pdf)
• Friction Tester (pdf) (Locked Wheel)
• Circular Texture Meter (pdf)

Tire/Pavement Noise

• On-board Sound Intensity (pdf) (OBSI)
• Sound Absorption (pdf)