A01
Track supervision, diagnostic inspections,
A02
Demolition, construction, renovation and maintenance of tracks and rail sidings
A03
Design, demolition, construction, renovation and corrosion protection of railway structures, bridges, culverts and facilities
A04
Supervision of closures and inspection activities, construction and maintenance
A05
Construction and renovation of platforms, paving and loading areas
A06
Construction and renovation of level crossings
A07
Tracks and rail sidings
A08
Construction and renovation of special superstructures and cranes
A09
Official permits handled by the National Transport Authority
A10
Preparation of the Railway Customer Service Regulations
A11
Geodetic preparation of railway track maintenance works
A12
Geodetic survey of linear facilities, environmental remediation and reclamation