London Olympic Park 2010 (two years before games) - 2020 (assets.londonist.com)
https://assets.londonist.com/uploads/2023/08/i730/jasonhawkes-8904390_1.jpg...
https://assets.londonist.com/uploads/2023/08/i730/jasonhawkes-8904390_1.jpg...
This is an old diagram, yet may be of use for those in search of inspiration.