http://www.bikeradar.com/beginners/news/article/great-manchester-cycle-26-mile-ride-sells-out-34082/
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The Daily Mirror Great Manchester Cycle, a closed road mass ride on Monday 4 June, has reached its 2500 rider capacity for the 26 mile 'Rule the Roads' option.
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The routes are all based on a 13 mile loop which includes a stretch on the city's busiest road, the Mancunian Way, which will of course be closed to motor traffic for the duration of the event.
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I wonder if Edinburgh has any 'no bicycles' roads that could be shut...