NIC 421002 - Construction and maintenance of tunnels, subways, bridges and overpasses

NIC 421002 classifies construction and maintenance of tunnels, subways, bridges and overpasses as a final six-digit construction activity under Section F and Division 42. Use it when this activity is the main source...

Key Facts

421002 at a Glance

Code 421002

Official title Construction and maintenance of tunnels, subways, bridges and overpasses

Version NIC 2025

Source authority MoSPI

Section F - Construction

Division 42 - Civil engineering

Group 421 - Construction of roads and railways

Class 4210 - Construction of roads and railways

Level Sub-class

Depth 5/5

Children 0

Last verified 2026-04-21

In this section

421001

Construction and maintenance of motorways, streets, roads, other vehicular and pedestrian ways including surface work

421002

Construction and maintenance of tunnels, subways, bridges and overpasses

421003

Construction and maintenance of airfield runways

421004

Construction and maintenance of railway tracks/ Metro tracks

421099

Other construction of roads and railways n.e.c.

← 421001 421003 →

Official note

Class 4210 note from source layer

This class excludes: - installation of street lighting and electrical signals, see 4321 - architectural and engineering activities, see 7110 - project management activities related to civil engineering works, see 7110

NIC 2008 -> NIC 2025 Mapping for 421002

NIC 2008 links are discovery matches from the local converter layer. Verify final migration decisions against official source documents.

NIC 2008 42102 medium

Construction and maintenance of railways and rail-bridges

NIC 2008 42103 medium

Construction and maintenance of airfield runways

NIC 2008 42101 medium

Construction and maintenance of motorways, streets, roads, other vehicular and pedestrian ways, highways, bridges, tunnels and subways