Geometric Design

Geometric Design

1. Factor Controlling Geometric Design
   1. Topography or Terrai
   2. Design Speed
   3. Traffic Factors
   4. Design Hourly Volume and Capacity
   5. Environmental And Other Factors
2. Geometric Design Elements Of Highway
   1. Cross-section element.
      1. Pavement surface characteristic
         1. Skid and Slip
         2. Friction
         3. Unevenness Index
         4. Light Reflecting Characteristic
         5. Drainage
      2. Cross- Slope / Camber
         1. Straight line Camber
         2. Parabolic Camber
         3. Composite Camber
      3. Width of Pavement or Carriageway
      4. Divider /Medians / Traffic separators
      5. Kerb
         1. Low or Mountable type Kerb
         2. Semi- Barrier type Kerb
         3. Barrier type kerb
      6. Shoulder
      7. Road Margin
         1. Parking lane
         2. Lay Bye
         3. Cycle Track
         4. Drive way
         5. Footpath
         6. Guard Rail
         7. Service Road
         8. Bus Bays
      8. Roadway / Width of Formation
      9. Road Land / Right of Way
   2. Sight distance.
      Horizontal alignment details.
      Vertical alignment details.
      Intersection detail