Bituminous Engineering Unit
Mailstop 645
1400 Gervais Avenue
Maplewood, MN 55109
Fax Number
651-366-5580
Map/Directions to Office of Materials
Materials Links
- Aggregates
- Concrete
- Lab Testing and Inspection
- Local Road Research Board (LRRB)
- Materials Engineering
- MnROAD
- Pavement Design
- Pavement Management
- Research
Mn/DOT Resources
- Construction Tools
- Mn/DOT Spec Book
- Special Provisions
- Technical Memorandums
- Mn/DOT Technical Support
- Mn/DOT Technical Certification
Bituminous Links
Bituminous Engineer
John Garrity
651-366-5577
john.garrity@state.mn.us
Assistant Bituminous Engineer
Greg Johnson
651-366-5464
gregory.d.johnson@state.mn.us
Assistant Bituminous Engineer
Greg Schneider
651-366-5403
gregory.schneider@state.mn.us
Bituminous Engineering Specialist
Dave Linell
651-366-5459
david.linell@state.mn.us
Bituminous Help List
Bituminous Issues - John Garrity
Bituminous Research - Jerry Geib
Field Issues - John Garrity
Intelligent Compaction- Greg Johnson
Mix Designs - Dave Linell
Mix Design Approvals - Dave Linell
Pay Factors - Greg Johnson
Cold in Place Recycle (CIR), Stabilized
Full Depth Reclamation (SFDR) - Mark Watson
Spreadsheets - Greg Johnson
Specifications - John Garrity
Ride - Greg Schneider
Website - Greg Johnson