Rankine's method of deflection angle

Successive bisection of arc

Taking offsets from the tangents

Tachemoetric method

165 m

165 cm

165 mm

165 dm

90 mm

90 cm

90 m

90 km

Compound curve

Vertical curve

Transition curve

Reverse curve

Back tangent and forward tangent

Intersectiona and deflection angle

Chord and tangent

Normal and sub chord