Roco · H0 · 16.5 mm
Roco GeoLine: track planner from your own stock
15 items with verified geometry. Enter what you have, let the Auto-designer lay ovals, passing loops and stations, and view it in 3D at your table size.
Open the app · Track plan generator
What the Auto-designer gets out of a typical Roco GeoLine drawer
Double track R3/R2, plus 2 passing loops
52 pieces · 10.0 m of track
8x 61110, 8x 61111, 4x 61113, 12x 61122, 12x 61123, 4x 61128, 2x 61140, 2x 61141
Station with two platforms on R3
28 pieces · 5.9 m of track
4x 61110, 4x 61111, 12x 61123, 4x 61128, 2x 61140, 2x 61141
Triangle on R2
21 pieces · 3.4 m of track
3x 61110, 3x 61112, 3x 61113, 12x 61122
From the TrackDrawer Guide
- Cork and sound deadening under your track
- DC and AC: two-rail and three-rail explained
- The helix: gaining height in little space
- Benchwork: open frame or solid baseboard?
- The double slip: when you need one
- Sidings and buffer stops: why and where
- Passing loop: how two trains pass each other
- Piko A-Gleis or Roco geoLine: the differences side by side
- Double oval: two trains at once
- Roco geoLine or Roco Line: the differences side by side
- The figure eight: crossing or bridge?
- An H0 layout on 240 x 120 cm: what fits?
- The oval: the simplest layout and how to expand it
- Give your old box of track a second life
- The dogbone: a long run on a narrow baseboard
- Track spacing: how far apart do two tracks lie?
- Train derails at the turnout: causes and fixes
- The reversing loop: how it works and how to avoid a short circuit
- How to make a track plan in seven steps
- An H0 layout on 180 x 90 cm: what fits?
Geometry
| Radius | mm | Curve | Angle |
|---|---|---|---|
| R2 | 358 | 61122 | 30° |
| R3 | 434.5 | 61123 | 30° |
| R4 | 511.1 | 61124 | 30° |
Power: 2-rail DC. Roadbed width 38.5 mm. Parallel spacing 76.5 mm.
Turnout pattern: 61140 / 61141 with counter curve 61128; compensation 61111.
7 combinations are recalculated on every build: circles that close, turnouts that land on the parallel spacing.
Items (15)
Straight track
- 61110 Straight track G200 (200 mm)
- 61111 Straight track G185 (185 mm)
- 61112 Straight track G76,5 (compensatierail)
- 61113 Straight track G100 (100 mm)
Curves
- 61122 Curved track R2 30° (358,0 mm)
- 61123 Curved track R3 30° (434,5 mm)
- 61124 Curved track R4 30° (511,1 mm)
- 61128 Curved track Gegenbogen GB2 22,5° (502,7 mm, counter curve)
- 61129 Curved track R2 7,5° (358,0 mm)
- 61130 Curved track R3 7,5° (434,5 mm)
Turnouts
- 61140 Turnout left
- 61141 Turnout right
- 61160 Three-way turnout
- 61164 Double slip (DKW) 22,5°
Switching and contact tracks
- 61117 Switching track 100 mm
Source: Roco-productpagina's (roco.cc, titels/snippets omdat roco.cc WebFetch met HTTP 403 blokkeert) en vakhandel-productbeschrijvingen die de officiële Roco-specificatie overnemen (haertle.de, elriwa.de, modellbahn-center-re.de, modelplanet.it, crazymodeltrains.com, breyermodellbahn.de, amazon.de, modellbahn-raschka.de, modellbahnunion.com, world-of-trains.ch, zuba-tech.ch), aangevuld met stummiforum.de/t18520 en een forummeting voor de beddingbreedte (onderzoek 2026-10-02).
Other systems in H0
- Märklin C track track planner
- Märklin K track track planner
- Märklin M track track planner
- Märklin my world track planner
- Trix C track track planner
- Roco Line track planner
- Fleischmann Profi-Gleis track planner
- Piko A-Gleis track planner
- Kato Unitrack H0 track planner
- Tillig Elite track planner
TrackDrawer is not affiliated with Gebr. Märklin & Cie. GmbH or any other manufacturer. Item numbers and dimensions are factual product data, with sources cited in the catalogue.