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[Road Curves] - Coggle Diagram

- - - - Circular curve
        
        The process to mark the centre line of a road
        
        Deflection angle method
        
        deflection angle=chord length/(2*radius) Rad
        
        Data tabulation: Chainage,chord distance,deflection angle,total delta
  - - - Raising outer part of the curve
      - to reduce centrifugal force
      - max S.E.=Bv^2/gR
        
        B=width of road
    - - Ø=angle between (tangent of a point on curve) to (the line going to intersection point)
      - l=length of the point on curve to starting point
      - L=length of the curve
      - max Ø= L/2R
    - - δ=angle between (line connected starting point and point on curve) to (the line going to the intersection point)
      - max δ=max Ø/3
  - - - Velocity
- - - - Stopping
      - Overtaking
    - - Standards