The National Highway constitutes less than 2 percent of the total road network but carry a whopping 40 percent of the total road traffic. It is in this backdrop that the government has embarked on a programme to widen and strengthen them at a cost of over Rs. 185873 crores.
The Golden Quadrilateral project that envisages four-laning of 5846 km of roads connecting the four metros of the country has been completed to the extent of 87 percent. About 5079 km of roads have already been four laned.
The Delhi-Mumbai corridor, with a total length of 1419 km, has been fully completed. On the Mumbai-Chennai section 1145 km has been four laned out of the total length of 1290 kms. On the Chennai-Kolkata section 1462 km has been four-laned out of a total length of 1684 kms. On the Kolkata-Delhi section 1071 Kms of roads have been four-laned out of a total of 1453 km.
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