The GATE Grind

GATE 2025 CE (CE2) – Question 20

Transportation Infrastructure · Geometric design of roadways: cross-section, sight distance, alignments · 1 mark · Multiple choice

The point where the road alignment changes from a tangent to a curve is known as ______.

  1. Point of deflection
  2. Point of intersection
  3. Point of curve
  4. Point of tangency

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Show answer and explanation

Correct answer: (C) Point of curve

Explanation

The point where the tangent ends and the curve begins is the point of curve (PC), also called the beginning of the curve. The point where the curve ends and the next tangent begins is the point of tangency (PT).