Rural Intersection Taper

Rural Intersection Taper

Input Data:

Radius 1 = ft
Side road width = ft
Deflection angle = °
Results:

Radius 2 = ft

intersection drawing

  • a = Shoulder Width. Note: Where shoulder width is less than 5 ft, use 5-ft minimum.
  • b = 34 ft Minimum
  • c = 10 ft Minimum
  • d = Variable (20-ft Minimum)
  • α = Angle of Intersection (80° - 90 ° Desirable, 60° Minimum) Note: Relocate intersection where angle is less than 60°.
  • R1 = 50 ft
  • R2 = Variable (radius point opposite smaller radius point)