Minnesota Department of Transportation

511 Travel Info

Advanced Materials & Technology (AMT)


Digital Test Rolling (DTR)

A process that uses loaded trucks equipped with lasers to automatically record rutting on embankment materials (subgrade, subbase and base applications). This system is another option to the standard test roller.

2015 Pilot Projects

Please contact us if you are interested in piloting this technology on one of your projects.

Special Provisions

General Information