You don't need to have ridden it. You can flag it from the segment page by going to Actions/Flag on the rh of the page.
Wasn't aware of that but it's a moot point now as I don't have an account so can't report jack.
@Object started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported exclusively by donations. Consider donating a small amount regularly.
Wasn't aware of that but it's a moot point now as I don't have an account so can't report jack.