Track system · O scale

Atlas O 21st Century 2-rail (code 148): track pieces, radii and turnouts

Atlas O 21st Century 2-rail (code 148) is a two-rail track system without roadbed for O scale.

The Trackplanner catalogue lists 20 pieces: 5 straights, 7 curves, 1 flex track, 4 turnouts, 1 Y turnout and 2 crossings. The curves come in 5 radii from 914.4 to 1371.6 mm.

Key facts

ScaleO scale
Rail systemtwo-rail
Roadbedno roadbed
Statuscurrent — in production and in the shops
Turnout motorsold separately: drive 7098 (left) / 7099 (right)
Pieces in the catalogue20
Radii5 · 914.4–1371.6 mm
Straight lengths44.5 · 114.3 · 254 · 457.2 · 508 mm
Turnout angles7.66° · 11.54°

Pieces by type

TypeCount
Straights5
Curves7
Flex tracks1
Turnouts4
Y turnouts1
Crossings2

Radii

Radius Angle Articles
914.4 mm 22.5° · 11.25° 7062 · 7063
1028.7 mm 22.5° · 7.5° 7011 · 7012
1143 mm 22.5° 7013
1257.3 mm 22.5° 7014
1371.6 mm 22.5° 7016

Turnouts and crossings

ArticleTypeAngle
7024 Turnout left 11.54°
7025 Turnout right 11.54°
7021 Turnout left 7.66°
7022 Turnout right 7.66°
7074 Y turnout —
7080 Crossing —
7081 Crossing —

All pieces

Show all 20 pieces
ArticleTypeDimensions
7052Straight44.5 mm
7051Straight114.3 mm
7050Straight254 mm
7918Straight457.2 mm
7923Straight508 mm
7062CurveR 914.4 mm · 22.5°
7063CurveR 914.4 mm · 11.25°
7011CurveR 1028.7 mm · 22.5°
7012CurveR 1028.7 mm · 7.5°
7013CurveR 1143 mm · 22.5°
7014CurveR 1257.3 mm · 22.5°
7016CurveR 1371.6 mm · 22.5°
7056Flex track1016 mm
7024Turnout left11.54°
7025Turnout right11.54°
7021Turnout left7.66°
7022Turnout right7.66°
7074Y turnout—
7080Crossing—
7081Crossing—

Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.

Changes

No changes since the change log began (12 November 2026).