15 - Horizontal Alignment II
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is superelevation?
💡 Hint: Think about how roads are designed for curves.
What do we mean by mixed traffic in road design?
💡 Hint: Consider the types of vehicles you see on the road.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of superelevation?
💡 Hint: Think about how roads keep drivers safe on curves.
True or False: Minimum superelevation for drainage purposes is typically between 2-4%.
💡 Hint: Consider how water flows on roads.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A road designed for a speed of 90 km/h encounters a curve with a radius of 300 m. Calculate the necessary superelevation and assess safety if this curve is used for mixed traffic. Discuss considerations related to heavier vehicles.
💡 Hint: Remember to adjust for truck characteristics.
Given a multi-lane road with a design speed of 70 km/h and a radius of 600 m, determine the necessary total extra widening. Integrate both mechanical and psychological widening in your calculations.
💡 Hint: Refer to the IRC guidelines for formulations.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.