Chinatown narrow gauge bike lane

There's a derelict building on Charlotte Street in China town which is being refurbished at the moment. Despite the fact that Charlotte Street is one way [from Portland Street to Moseley Street] the lovely people doing the building work have established a pedestrian and cycle lane around the site.
It's temporary, so use it while you can.  Only thing is, is that it's a bit narrow...

Narrow gauge bike lane