Topley Dale

Topley Dale is Hornby Magazine's main 'OO' gauge test track layout which has been the setting for the videos published here on KeyModelWorld. This substantial 16ft x 10ft model railway features sweeping main line running, a station, goods yard, quarry and busy junctions. It was started in 2012 and its development continues to this day. Keep up to date with the latest progress on Topley Dale here with exclusive videos and detailed features.

Staff Projects: Reviving Topley Dale

It’s approaching two years since Topley Dale was dismantled and put into storage, but now the layout is being rebuilt in a much bigger, extended form. MIKE WILD explains the first steps and the vision for the future.

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Construction: Topley Dale station renovation

Platforms looking empty, tired signage or just needing a little maintenance. MIKE WILD offers 10 top tips to breath new life into any station scene no matter how big or small.

Topley Dale Model Railway - A Grand Farewell

Topley Dale has been the Hornby Magazine layout and the test track for all new releases for over ten years, but the time has come to move on to bigger and better things. Join Mike Wild and Richard Watson for this final video from the layout where they chat about the railway's journey and go over some of the highlights. 

Building Topley Dale - Episode 1

Development of Topley Dale's Diversion Route is starting as the Hornby Magazine team start work on the scene by building a baseboard extension, laying sidings and introducing the ground work for a new quarry scene. Watch the video advert free here on

Building Topley Dale - Episode 2

Topley Dale's Diversion Route is starting to take shape as we build the road bed, reshape the scenery and begin the footing for the scenery. Join us in the workshop for the second episode advert free for Hornby Magazine and KeyModelWorld subscribers.

Building Topley Dale - Episode 3

In episode three of Building Topley Dale we start creating the scenery around the quarry and road bridge using Woodland Scenics and Green Scene products. Join us in the workshop to watch the video advert free here for Hornby Magazine and KeyModelWorld subscribers.

Building Topley Dale - Episode 4

In the fourth episode of Building Topley Dale we continue the scenery on the Diversion Route by installing a Wills viaduct kit to carry the railway across a road and river scene. Watch the full video here advert free.

Building Topley Dale - Episode 5

In the fifth episode of the Building Topley Dale series we installed the Faller Car system around the Topley Dale diversion route while taking the scene forward to the 1990s with rolling stock from the final years of British Rail and the first years of privatisation.

Building Topley Dale - Episode 6

In the sixth episode of our Building Topley Dale series, we move on to complete the scenery around the bridge, introduce the river and create a rock cutting leading the railway out of the scene.

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Staff Projects: Locked down with Topley Dale

Like many modellers MIKE WILD has been making the most of extra time at home during the recent lockdown to push forward with the Diversion Route on Topley Dale, but will our mammoth project ever be really finished?