These Design Calculation tools are provided "as-is" without warranty of any kind. The Montana Department of Transportation makes no representations or warranties whatsoever with respect to the accuracy or completeness of these tools and assumes no responsibility for the suitability of these tools for a particular purpose; and MDT will not be liable for any damages incurred as a result of errors in these tools.
| ADA Checking | XLTM |
| Annual Growth Rate | XLTM |
| Approach Grading | XLTM |
| Approach Grading End Areas | XLTM | DGN |
| Approach Surfacing | XLTM | DGN |
| Average End Length & Area | XLTM |
| Calculations | XLTM |
| Design Speed – Existing Horizontal Curves | XLTM |
| Design Speed – Proposed | XLTM |
| Grading | XLTM |
| Guardrail | XLTM |
| Horizontal Curves | XLTM |
| Intersection Sight Distance | XLTM |
| Linear Interpolation | XLTM |
| Project Milestone Cost Template | XLTM |
| Surfacing | XLTM |
| Vertical Curves | XLTM |