Kollam district is connected by Roads, Railway, Waterways and Sea Ports.
The district is covered by 132 kms. of railway line, of which 51 kms. are broad gauge and 81 kms., metre gauge(At present not under working state).
There are 22 railway stations of which 9 are on broad gauge line and 13, on the metre gauge line. Kollam is an important railway junction.
The Trivandrum - Ernakulam (via Kottayam and Alappuzha) line pass through Kollam. Kollam is the terminal junction of Madras - Egmore - Kollam metre gauge line.
In recent times ‘Tourism’ has emerged as one of the few economic alternatives to develop the State economy. It has been recognized as an important sector for the development on account of its potential for generating income and employment. In the context of poor prospects of the manufacturing sector and the severe threats facing agricultural and traditional sectors and the uncertainties facing expatriate employment, tourism is considered as one of the sectors, which can drive Kerala economy to take the State to the pinnacle of socio-economic development.
The district has a prominent place in the field of agriculture. The total extent of land under cultivation is 2,18,267 hectares. The principal crops are paddy, tapioca, coconut, rubber, pepper, banana, mango and cashew. About 70 per cent of the work force is engaged in agriculture.