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OO gauge is one of several 4 mm-scale standards (4 mm to 1 ft (304.8 mm), or 1:76.2), and the only one to be marketed by major manufacturers. The OO track gauge of 16.5 mm (0.65 in) (same as the 1:87 HO scale) corresponds to prototypical gauge of 4 ft 1 + 1 ⁄ 2 in, rather than 4 ft 8 + 1 ⁄ 2 in standard gauge. [2]

What is OO gauge? OO gauge has held a significant place in the model railway landscape since its introduction in the 1930s. With a track gauge of 16.5mm between the rails, it balances detail with size, positioning itself as a popular choice for those keen on exploring model railways without needing the space necessary for O scale.

There is no definitive 'best' model railway track in OO gauge, as different modellers may have different preferences and criteria for what makes a track system ideal. However, here are some of the more popular and highly regarded OO gauge track systems:

Discover a wide selection of Hornby OO Model Railroad & Train Tracks. Shop for straight tracks, buffer stops, extension packs, and more for your model railway.

Starter Track Set - OO-9/HOe Gauge. OO SCALE . Catalogue No. ST-400. £104.94 RRP . Add TO Wishlist. Quick View. Turnout (Mainline Sleepers), Medium Radius, Left Hand. OO SCALE . ... OO SCALE . Catalogue No. SL-400. £6.25 RRP . Add TO Wishlist. Quick View. Double Straight. OO SCALE . Catalogue No. ST-413. £13.15 RRP . Add TO Wishlist.

Great deals on Straight OO Model Railroad & Train Tracks. Expand your options of fun home activities with the largest online selection at eBay.com. Fast & Free shipping on many items!

Great deals on OO Model Railroad Train Tracks. Expand your options of fun home activities with the largest online selection at eBay.com. Fast & Free shipping on many items!

This month, we concentrate on a selection of ‘OO’/‘HO’ gauge sectional track, usually supplied in train packs, train sets and extension track packs as well as individually. Available in straight and curved pieces, sectional track is manufactured to pre-determined radii designed so that the track centre between each set of tracks ...

We understand that working out what track works with what, or even what track pieces you need to make your desired layout can be tricky, so here is a table showing the different track pieces available from a variety of manufacturers of oo gauge both current and old.