MDOT Practical Design Implementation Manual

MDOT Network Primary Guidance

SYSTEM PRIMARY GUIDANCE

1. New vs. reconstruction
2. Design life
3. Maintenance of traffic / operations
4. Long term maintenance
5. Expected capacity
6. Level of service

Environmental (can we combine any of these?)

3Documentation (NEPA, MEPA)  Constraints on sequencing and LOD limits o Permitting (MDE, USCOE, DNR, MNCPPC, EPA, NPS)  Stormwater management  Sediment and erosion control • Stabilization  Forest conservation  Critical Area Commission  Wetlands restrictions o Hazardous materials o Unsuitable materials o Groundwater control o Sensitive areas o Wildlife hazard reduction o Noise abatement • Security o Federal (DHS, FAA, FRA, DOD) o Booths, gates, access control systems, fencing, barricades • Safety • Mitigation • Special permit conditions / requirements • Project Delivery o Procurement method size and type of contract, accelerated schedule o Business climate o Project duration (time, phases, traffic maintenance, user cost)  Acceptable delays, number of lanes, phased impact to operations (traffic, flights, transit, etc.), signalization, signage

  FACILITIES

Roadways • Primary guidance • Description • Planning o Facility selection  Highway  Other roads • Terminal roadway • Vehicle service roads  Structures? (when warranted) o Design Criteria  Design Speed • Design (include targeted) • Posted  Interchange / Intersection • At grade • Full interchange • Partial interchange • Other  Preliminary Alignment • Horizontal • Vertical  Typical Section Elements • Number of lanes • Lane width • Shoulder width • Median width  Preliminary Hydraulics • Design Elements o Final Hydraulics  Roadside ditch  Inslope grade  Backslope grade  Design frequencies for storms / runoff o Final Alignment  Horizontal  Vertical o Pavement  Design criteria • Design vehicles? • Airport • Port  Shoulders • Urban • Suburban • Rural  Processed Materials (aggregate, asphalt, cement) o Drainage  Storm drainage • Materials o Corrugated metal pipes o ?? o Safety  Rumble strips  Barriers  Pavement friction methods • Saw cutting • Rough surface  Pedestrians / bikers  Signalization

Facilities

Bridge

Primary Guidance

Goes Here

Description

Goes Here

Planning

1. Facility Selection
2. Signature (Needs to be defined. Need new name.)
3. Workhorse (Needs to be defined and differentiated. Need new name.)
4. Pedestrian (hiker/biker)
5. Design Criteria
6. Vehicle

Design Elements

1. Bridge Width
2. Length
3. Seismic/Wind Design
4. Bike Lanes
5. Pedestrian Walkway
6. Construction Staging
7. Retaining walls
8. Hydraulics
9. Bridge and Culvert