The total length of National Highways (NHs) has been enhanced from about 91,287 km as on 31.03.2014 to about 1,31,326 km at present in view of declaration of about 39,040 km length of State roads as new NHs besides modification in existing NH length on account of realignments, construction of by-passes etc.
Year-wise details of State roads notified as New NHs since 2014-15 are as follows:
| Year | 2014-15 | 2015-16 | 2016-17 | 2017-18 | 2018-19 | Total |
| Length (km) | 5,662 | 3,180 | 13,148 | 12,399 | 4,651 | 39,040 |
Further, the Ministry has approved In-Principle declaration of about 53,031 km length of State roads as new NHs subject to outcome of their Detailed Project Reports (DPRs); initiatives have also been taken up for preparation of the DPRs.
The Minister of State for Road Transport & Highways Shri Mansukh L Mandaviya gave this information in reply to a question in Lok Sabha today.
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