SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Highway Engineering Highway Development and Planning
The classification categories of roads network was finalized in the Nagpur Plan of Indian Roads Congress as such
1
NH, SH, MDR and VR
2
NH, SH, MDR only
3
NH, MDR, ODR and VR
4
NH, SH, MDR, ODR and VR