Mention three important features of Harappan town planning.

The three important features of the Harappan town planning were

1. Each city was divided into two parts -
   
   1. The Citadel was a raised platform where the rulers and the nobles lived.
   2. The lower town had residential buildings for common people.
2. The streets were quite wide varying from 9 feet to 34 feet in width.The streets intersected each other at right angles. Lamp posts discovered along the roads indicate that the cities probably had street lights. The main roads were wide and curved at the corners so that heavy carts could turn easily.
3. The Harappans had a well planned drainage system. The house drains emptied waste water into the street drains. The drains were covered with bricks or stones. Manholes and inspection traps were provided at regular intervals.