The Highway Design Process consists of the following major phases:
- Preliminary – Preliminary Design (30%)
- Plan-in-Hand – Plan-in-Hand Design (70%)
- Final – Final Design (95%)
- PS&E Delivery – PS&E Delivery (100%)
- Ad/Award – Advertise and Award Phase
The above pages describe the steps involved with the Design activities. Select a phase above (or listed in the left-side menu) to see the activities associated with that phase. Additional information is available for some of the activities as described below.
Directions associated with a particular activity. Sources include the GEOPAK Guide, ADHOC Help, and PDDM supplements.
Links to items used to complete the activity. Examples include forms and pre-configured spreadsheets such as the Notice to Proceed calculator and gradient check worksheet.
Manuals that provide background design data and knowledge used to perform highway design. Examples include the AASHTO Green Book, PDDM, MUTCD, and the Park Road Design guide.