Route 23 is the one affected
Computer generated image of New Routemaster, copyright belongs to TFL.
I recently found a Freedom of Information request referring to the London Bus routes which the New Routemaster failed their route test on. Eddie Cole submitted a request via the 'What Do They Know' website where you can see users submitting information requests to government bodies for information.
The 'What Do They Know' website user sent a Freedom of Information request to Transport for London on 11th September 2014.
Dear Transport for London,