"This underground tunnel connects Kenroku Station with Picardie Station."

The Small Underground Tunnel is a railroad tunnel which connects the railroad between Kenroku Station and Picardie Station. It was originally introduced on December 08, 2014.[1]

A total of 12 assets are needed to complete construction of both Small Underground Tunnels. This is equivalent to 12 Megabucks sm if one were to buy every asset instead of waiting to receive them from neighbors.


Assets (for both sections)

Small Underground Tunnel

Asset Image Amount Price Cost
Air ExtractorAsset Air Extractor 2x1 Megabucks sm2 Megabucks sm
SupportsAsset Supports 2x1 Megabucks sm2 Megabucks sm
Track-Lifting MachineAsset Track-Lifting Machine 2x1 Megabucks sm2 Megabucks sm
6 Assets 6 Megabucks sm

Data (for both sections)

Level XP
0 50 Experience sm
1 100 Experience sm
Total/Max 150 Experience sm


SQ Internal Info:
  • Name: Малый подземный тоннель (вход) (translates to Small underground tunnel (entrance))
  • ID: 71228 (railroad_tunnel4_place)
SQ Internal Info:
  • Name: Малый подземный тоннель (выход) (translates to Small underground tunnel (exit))
  • ID: 71199 (railroad_tunnel3_place)


  1. SQ Forum: Update 12.08.2014
Rail Transportation
Events • Railroad (timed quest) • Rail Supply Center
• Railroad Marathon I • Railroad Marathon II • Railroad Marathon III • Railroad Marathon IV • Railroad Marathon V • Railroad Marathon VI • Railroad Marathon VII • Railroad Marathon VIII • Railroad Marathon IX • Railroad Marathon X
Railroad L1
Administration • Central Station • International Terminal • Assembly Line • Trains • Cargo Depot • Oil Freight Station
Stations • Busan Station • Megapolis Unity Station • Beaux-Arts Station • Kenroku Station • Picardie Station • Royal Station • Shivaji Station • Stacchini Station • Next Generation Station • Grand Chateau Station • Budapest-Nyugati Station • Cascade Station • Harbor Station
Unique Buildings Center of Unique Structures

• Rail Supply Center • Technical Inspection Service • Railroad Administration
• Railroad Directorate • Rail Dispatch Center • Railroad Transport Institute

Rail Bridges & Tunnels
Megapolis Mainland • Longbow Bridge • Red Gate Bridge • Gustave Flaubert Bridge • Hudson Bridge • Fort Bridge • Junction • Taipan Overpass • Aegaeon Railroad Bridge
• T-shaped Tunnel • Small Underground Tunnel (entrance and exit) • Small Underground Tunnel 2 • Underground Tunnel (entrance and exit) • Underwater Tunnel (entrance, main and exit) • Red Point Tunnel • Transit Tunnel (entrance and exit) • Station Tunnel • Underwater Tunnel Sections • Transit Tunnel (Oil Cargo)
Industrial Complex • Kutang Bridge • Montblanc Bridge • Everest Bridge • Diamir Bridge

• Mountain Tunnel (entrance and exit)

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.