Spaghetti

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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
Improved Roundabout
Transmogrified
Tightlong
Deepblue2k8 4-way Junction

Enormous junctions

Multi-way/multi-track cloverleaves
Dual Tetrathorp
Dual Transmogrified
Dual Branch-Merge
Quad Branch-Merge
Quad Tetrathorp
6-tuple Branch-Merge
8-Way Star
High Speed 4-way

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 junctions

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

The Spaghetti Junction is a step up from the Cloverleaf. It is more complicated and expensive, but smaller and with more exits before merges.

Spaghetti junction (simple)


Junction Criteria
CostExpensive
Construction DifficultyHard
TunnelsYes
BridgesNo
Breakdowns
Broken down trains only affect left hand turns in one axis.
Sharpest Turn1
HillsYes
Split Before MergeNo
Direct PathsYes
Natural TurnsNo
DeadlockNo
LoopsU-Turn Only
Signal type Any
  • Handle a large number of trains at a time.
  • Functions as a U in 2 of the 4 primary directions.
  • Takes up a large amount of space.
  • Trains merge before they split in one axis.
  • Make it so your longest train can fit completely into one of the turning tracks without blocking the main line behind it.
  • Area: 16 x 16


Variations

Spaghetti Junction (advanced)
Spaghetti Junction (compact)
Spaghetti Junction with direct West to East underpass
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