Cloverleaf

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Railway Junctions
Junction Criteria

3-Way junctions

Basic 3-Way
Line Merge
Half Cloverleaf
Half Spaghetti
Compact 3-Way
Compact 3-Way B-M Junction
Ultimate 3-way
Half Transmogrified
Braided Junction

4-Way junctions

Basic 4-Way
Roundabout
Cloverleaf
Spaghetti
Star
Complex Star
Branch-Merge
Over-Under
Tetrathorp
High Speed 4-Way Fly-over/under
Pre-Signaled Roundabout
Advanced Roundabout
Right-of-way Roundabout
Transmogrified
Tightlong
High Speed 4-way
Deepblue2k8 4-way Junction

Enormous junctions

Double Cloverleaf
Dual Tetrathorp
Dual Branch-Merge
Quad Branch-Merge
8-Way Star

Other junctions

Right-of-way Depot
Dual tunnels
Sideline U Turn
Right-of-way Lane Change
Right-of-way Merge

Track Layouts

4-Way Triple Axial
4-Way Triple Axial 2
Triple Via Mini
High Hill

Unuseful juctions

Crossover
3/4ths junction
Ultimate 3-way junction for 4 tracks

This type of junction is good in the respect that it has a high capacity, but it's no good for hilly or cluttered areas because of the large amount of land it requires.

Cloverleaf junction
Cloverleaf junction


Junction Criteria
CostCheap
Construction DifficultyEasy
TunnelsNo
BridgesYes
Breakdowns
Broken down trains only affect the one track and left turns.
Sharp TurnsAvoidable
Split Before MergeNo
Direct PathsYes
Natural TurnsNo
DeadlockYes
LoopsYes
Signal type Any
  • Can handle 4+ trains at a time.
  • Takes up a large amount of space when built without sharp corners.
  • Make the loop and diagonal branches longer than your trains, so the main line is not blocked by a waiting train.
  • Use tunnels if the bridges slow down your trains.
  • If necessary, upgrade to an Over-Under junction.
  • Area: 10 x 10


Cloverleaf junction with tunnels instead of bridges
Cloverleaf junction with tunnels instead of bridges
Tunnel cloverleaf with the corners on the inner side rather than the outer side of the junction.
Tunnel cloverleaf with the corners on the inner side rather than the outer side of the junction.
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