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)