The "Nagpur Plan," drawn in 1943, was a significant initiative aimed at the development and modernization of road transport infrastructure in India. 

This plan was a response to the growing need for efficient transportation networks to support the economic and social development of the country. It involved a systematic and well-thought-out approach to road network expansion, maintenance, and improvement. 

The Nagpur Plan emphasized the construction of national highways and arterial roads, and it played a crucial role in laying the groundwork for a well-connected and robust road transport system in post-independence India. 

This plan's legacy can be seen in the extensive road network that now crisscrosses the country, facilitating the movement of goods, people, and economic development.

THEREFORE THE CORRECT OPTION IS [2].