John Rowland wrote:
The others wouldn't stop a motorcycle anyway. Maybe it was supposed to be a
test circuit for learner drivers, like this
http://maps.google.co.uk/maps?hl=en&...,0.002414&z=19

Looks like someone demolished:
http://www.multimap.com/s/R389ihKE
these houses:
http://www.multimap.com/s/vYMM109y

Looking at the random ones that survived for a while, perhaps some people
were a bit more obstinate than others.

Seems to be a less than desirable part of the world:
http://www.mirror.co.uk/news/top-sto...9520-18971926/

Ah... looks like they've been demolished to 'balance supply and demand':
http://www.sheffield.gov.uk/your-cit...g-supplydemand
(list in Appendix A)

Theo