Question

As per the modified classification of road system by the Third road Development Plan, 1981 – 2001, the roads in the country under ‘Primary System’ of road network consist of
1. Expressways and National Highways
2. State Highways (HS) and Major District Roads (MDR) 
3. Other District Roads (ODR) and Village Roads (VR)
4. All of the above

Answer 1

Correct Answer - Option 1 : Expressways and National Highways

Explanation:

As per the third road development plan also known as the Lucknow plan roads were divided into three major categories. They are;

1. Primary: It consists of Expressways and National Highways
2. Secondary: It consists of State Highway and Major District Roads
3. ODR & VR: It consists of any other type of road; such as Other District Roads and Village Roads.

Comparison of three road development plans of India in a tabular manner.

Topic	1st Road Plan	2nd Road Plan	3rd Road Plan
Venue	Nagpur	Bombay	Lucknow
Target (km/100 sq km)	16	32	82
Total road length (km)	5.29 lakh	10.57 lakh	27.02 lakh
Important points	Roads are divided into 5 categories NH SH MDR ODR VR	Apart from the 1st 5, an expressway was added	Roads were divided into 3 major categories Primary Secondary ODR & VR
Road pattern	Star and grid		Square and block