FOR one weekend, April 21-22, London Transport Museum’s Depot in Acton will open for visitors to explore a treasure trove of more than 320,000 artefacts from London’s transport history.

Celebrating London’s unique transport design heritage, Capital Design will showcase a programme of talks, tours, interactive displays and family activities.

There will be guided tours of the museum’s poster collection to a talk from writer and broadcaster Mark Ovenden on 150 years of London Underground Design..

Historian Oliver Green will talk on the legacy of Frank Pick, the man responsible for commissioning some of the most recognisable icons of London Underground’s identity.

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There will also be a postcard design workshop, heritage bus rides and interactive displays.

Visitors can also browse for gifts at the pop-up shop and enjoy street food and drinks from vintage vehicles.

Visit for the full programme of activities.