Tunnel
Bafgh - Bandar Abbas Railway (2th part) Tunnels (2250 m)
Fahraj- Chabahar Railway (4th part) Tunnels (1760 m)
Miane- Tabriz Railway (8th-A part) Tunnels (3440 m)
Miane- Tabriz Railway (8th-B & 9th parts) Tunnels (250 m)
Miane- Tabriz Railway (10th part) Tunnels (2785 m)
Hemmat Freeway (22 Precinct) Tunnels (240 m)
Hemmat- Karaj Freeway Tunnels (460 m)
Toure Tunnel in West Railway of Country (756m)
Kavar- Firuzabad Highway Tunnels (3410m)
Northern Hemmat Freeway Tunnels (560 m)