Road network in Tamil Nadu Roads of Tamil Nadu Width wise details of government roads (As on 31 March 2010)

| Sl_No | Category_wise | Single_lane | Intermediate_lane | Double_lane | Multi_lane | Total |
|---|---|---|---|---|---|---|
| 1 | National highways | 18 | 42 | 2685 | 2128 | 4873 |
| 2 | State highways | 32 | 1414 | 7261 | 677 | 9384 |
| 3 | Major district roads | 4170 | 3894 | 3109 | 115 | 11288 |
| 4 | Other district roads & sugarcane roads | 32825 | 2292 | 948 | 31 | 36096 |
| 5 | Total (approx) | 38071 | 6998 | 14535 | 2037 | 61641 |