Track system · N scale
Arnold N: track pieces, radii and turnouts
Arnold N is a two-rail track system without roadbed for N scale. The system is historic and no longer made.
The Trackplanner catalogue lists 42 pieces: 10 straights, 9 curves, 2 flex tracks, 6 turnouts, 4 curved turnouts, 2 three-way turnouts, 4 crossings and 5 double slips. The curves come in 4 radii from 192 to 430 mm.
Key facts
| Scale | N scale |
|---|---|
| Rail system | two-rail |
| Roadbed | no roadbed |
| Status | historic — no longer made |
| Turnout motor | manual and electric turnouts are separate articles |
| Pieces in the catalogue | 42 |
| Radii | 4 · 192–430 mm |
| Straight lengths | 57.5 · 111 · 222 mm |
| Turnout angles | 15° |
Pieces by type
| Type | Count |
|---|---|
| Straights | 10 |
| Curves | 9 |
| Flex tracks | 2 |
| Turnouts | 6 |
| Curved turnouts | 4 |
| Three-way turnouts | 2 |
| Crossings | 4 |
| Double slips | 5 |
Radii
| Radius | Name | Angle | Articles |
|---|---|---|---|
| 192 mm | R1 | 90° · 45° · 15° | 1310 · 1320 · 1340 |
| 222 mm | R2 | 45° · 15° | 1420 · 1440 |
| 400 mm | R3 | 30° · 15° | 1530 · 1540 |
| 430 mm | R4 | 30° · 15° | 1630 · 1640 |
Helix kits for this system
These kits have a radius that matches one of the system’s curves (within 5 mm). The helix assistant in Trackplanner checks whether the clearance is enough for your rolling stock.
| Kit | Fits | Gradient | Clearance | Buy |
|---|---|---|---|---|
| Gleiswendelshop (Tobias Fischer) N helix, R2, single track (2–8 turns) | for R2, 22.2 cm | 4.30 % | — | From the maker |
| Gleiswendelshop (Tobias Fischer) N helix, R2, single track, assembled (2–8 turns) | for R2, 22.2 cm | 4.30 % | — | From the maker |
Turnouts and crossings
| Article | Type | Angle |
|---|---|---|
| 1741 | Turnout left | 15° |
| 1742 | Turnout right | 15° |
| 1746 | Turnout left | 15° |
| 1747 | Turnout right | 15° |
| HN8013 | Turnout left | 15° |
| HN8014 | Turnout right | 15° |
| 1761 | Curved turnout left | — |
| 1762 | Curved turnout right | — |
| 1766 | Curved turnout left | — |
| 1767 | Curved turnout right | — |
| 1748 | Three-way turnout | 15° |
| 1749 | Three-way turnout | 15° |
| 1856 | Crossing | 90° |
| 1855 | Crossing | 30° |
| 1853 | Crossing | 15° |
| 1854 | Crossing | 15° |
| 1720 | Double slip | 15° |
| 1720R | Double slip | 15° |
| 1721 | Double slip | 15° |
| 1721L | Double slip | 15° |
| 1721R | Double slip | 15° |
All pieces
Show all 42 pieces
| Article | Type | Dimensions |
|---|---|---|
| 1030 | Straight | 57.5 mm |
| 1210 | Straight | 57.5 mm |
| 1230 | Straight | 57.5 mm |
| 1020 | Straight | 111 mm |
| 1200 | Straight | 111 mm |
| 1220 | Straight | 111 mm |
| 1260 | Straight | 111 mm |
| 1010 | Straight | 222 mm |
| 1811 | Buffer stop (fits onto the track) | — |
| 1812 | Buffer stop (fits onto the track) | — |
| 1310 | Curve | R 192 mm · 90° |
| 1320 | Curve | R 192 mm · 45° |
| 1340 | Curve | R 192 mm · 15° |
| 1420 | Curve | R 222 mm · 45° |
| 1440 | Curve | R 222 mm · 15° |
| 1530 | Curve | R 400 mm · 30° |
| 1540 | Curve | R 400 mm · 15° |
| 1630 | Curve | R 430 mm · 30° |
| 1640 | Curve | R 430 mm · 15° |
| 1110 | Flex track | 666 mm |
| 1121 | Flex track | — |
| 1741 | Turnout left | 15° |
| 1742 | Turnout right | 15° |
| 1746 | Turnout left | 15° |
| 1747 | Turnout right | 15° |
| HN8013 | Turnout left | 15° |
| HN8014 | Turnout right | 15° |
| 1761 | Curved turnout left | — |
| 1762 | Curved turnout right | — |
| 1766 | Curved turnout left | — |
| 1767 | Curved turnout right | — |
| 1748 | Three-way turnout | 15° |
| 1749 | Three-way turnout | 15° |
| 1856 | Crossing | 90° |
| 1855 | Crossing | 30° |
| 1853 | Crossing | 15° |
| 1854 | Crossing | 15° |
| 1720 | Double slip | 15° |
| 1720R | Double slip | 15° |
| 1721 | Double slip | 15° |
| 1721L | Double slip | 15° |
| 1721R | Double slip | 15° |
Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.
Track plans with Arnold N
The gallery has 11 public track plans built with Arnold N. These are the ones it recommends right now:
Changes
26 October 2026
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HN8013 New
New: manual turnout left HN8013, 15°, 111 mm (current Hornby Arnold number). Same shape as manual turnout 1741.
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HN8014 New
New: manual turnout right HN8014, 15°, 111 mm (current Hornby Arnold number). Same shape as manual turnout 1742.
12 October 2026
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1720 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1721 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1741 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1742 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1746 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1747 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1748 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1749 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1761 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1762 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1766 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1767 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1853 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1854 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
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1856 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
8 October 2026
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1010 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1020 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1030 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1110 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1121 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1200 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1210 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1220 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1230 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1260 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1310 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1320 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1340 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1420 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1440 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1530 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1540 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1630 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1640 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1720 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
20 more
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1720R Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1721 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1721L Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1721R Appearance
Rails brought in line with the prototype: placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1741 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1742 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1746 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1747 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1748 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1749 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1761 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1762 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1766 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1767 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1811 Appearance
The buffer stop struts follow the new rail position and sit exactly over the rails again. The connector is unchanged.
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1812 Appearance
The buffer stop struts follow the new rail position and sit exactly over the rails again. The connector is unchanged.
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1853 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1854 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1855 Appearance
Rails brought in line with the prototype: placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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1856 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
7 October 2026
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1720R Shape corrected Type corrected Appearance
The double slip switch was drawn as a straight crossing, without its curves. It is now a double slip switch with both curved routes (R 418 mm, the largest curve that fits between the joints).
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1721L Shape corrected Type corrected Appearance
The double slip switch was drawn as a straight crossing, without its curves. It is now a double slip switch with both curved routes (R 418 mm, the largest curve that fits between the joints).
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1721R Shape corrected Type corrected Appearance
The double slip switch was drawn as a straight crossing, without its curves. It is now a double slip switch with both curved routes (R 418 mm, the largest curve that fits between the joints).
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1720 Shape corrected Appearance
The curves of the double slip switch did not fit the joints (R 430 mm) and kinked at two ends. They now run from joint to joint (R 421 mm) exactly into the joints.
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1721 Shape corrected Appearance
The curves of the double slip switch did not fit the joints (R 430 mm) and kinked at two ends. They now run from joint to joint (R 421 mm) exactly into the joints.
5 October 2026
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1811 Shape corrected Appearance
The buffer stop was drawn with a 2 cm piece of track behind the buffer beam that stuck out past the end of the track. It now sits on the last 11 mm of the track it is fitted to, without a length of its own; only the buffer stop itself is drawn.
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1812 Shape corrected Appearance
The buffer stop was drawn with a 2 cm piece of track behind the buffer beam that stuck out past the end of the track. It now sits on the last 11 mm of the track it is fitted to, without a length of its own; only the buffer stop itself is drawn.
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1720R Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
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1721L Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
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1855 Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
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1720R Shape corrected Appearance
Drawing corrected: one route of the crossing was an arc of barely 1 cm radius (a hairpin), and a further arc ran to the end of the other route. Both routes are now straight lines between their ends; rails and sleepers redrawn, the joints stay where they were.
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1721L Shape corrected Appearance
Drawing corrected: one route of the crossing was an arc of barely 1 cm radius (a hairpin), and a further arc ran to the end of the other route. Both routes are now straight lines between their ends; rails and sleepers redrawn, the joints stay where they were.
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1721R Shape corrected Appearance
Drawing corrected: one route of the crossing was an arc of barely 1 cm radius (a hairpin), and a further arc ran to the end of the other route. Both routes are now straight lines between their ends; rails and sleepers redrawn, the joints stay where they were.
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1720 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1720R Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1721 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1721L Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1721R Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1741 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1742 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1746 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1747 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1748 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1749 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1761 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
11 more
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1762 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1766 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1767 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1853 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1854 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1855 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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1720R Appearance
Added rails and sleepers (previously centreline only).
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1721L Appearance
Added rails and sleepers (previously centreline only).
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1721R Appearance
Added rails and sleepers (previously centreline only).
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1811 Appearance
Added rails and sleepers (previously centreline only).
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1812 Appearance
Added rails and sleepers (previously centreline only).