Please visit IDOT’s website to download forms/instructions, since they update them often.
- D1 PI0004: Project Program Information (PPI form) (PDF)
- D1 PIPDF25: Engineering Agreement State LET Checklist
- D1 PIPDF26: LPA Agreement State LET Process Checklist
- D1 PIPDF27: LPA Local LET Process Checklist
- IDOT Letting and Submittal Schedule — Updated 8/9/2021