| 1. Transport : Movement of people and goods from one place to another place is called transport. | 6. District Highways : District Highways are roads that connect the district headquarters with other places of the district. These roads are maintained by the Zila Parishad. |
| 2. Traders : These act as an intermediatary link between the consumers and the manufacturers. Traders are confined to the act of buying and selling of goods. | 7. CPWD : The Central Public Works Department of India, commonly referred to as the CPWD, is a central government owned authority in charge of public sector works. The Central Public Works Department, under Ministry of Housing and Urban Affairs, builds and maintains public buildings. |
| 3. Golden Quadrilateral : Golden Quadrilateral road connects north with south and east with west. It connects Delhi, Mumbai, Chennai and Kolkata. It is 6-lane high quality super express highway. Its total length is 5846 km. | 8. National Highway Authority of India : The National Highway Authority of India (NHAI) is an autonomous agency of the Government of India, responsible for management of a network of over 50,000 km of National Highways out of 1,15,000 km in India. |
| 4. National Highways : National Highways link the extreme parts of the country. These are the primary road systems and are laid and maintained by the Central Public Works Department (CPWD). | 9. Water Transport : Water transport is the process of moving people, goods, etc. by barge, boat, ship or sailboat over a sea, ocean, lake, canal, river, etc. |
| 5. State Highways : Roads linking a state capital with different district headquarters are known as State Highways. These roads are constructed and maintained by the State Public Works Department (PWD) in various states and union territories. | |
Lifelines of National Economy
