tanya greenwell teaches mobility skills to visually impaired people.aired clients who is a very experienced and confident traveller normally say that she was literally fearing for her life, trying to find how to get back onto the pavement. these activists from the national federation of the blind are handing a petition to number 10 later. they want to see an end to all floating bus stops. just put the bus stop on the pavement. can cyclists see? they can. can cyclists safely stop? they can. cyclists can take an alternative route. cyclists can do that, i don't have this option. i can't see great distance. so if i'm stood off getting off a bus, i cannot see anything at the side of me. so i don't know until they come right on top of me that they are there. it's difficult to know how many accidents have happened at bus bypasses. transport for london say there were just a handful of reported collisions, fewer than the number reported to bbc news. the department for transport doesn't collect figures, but it says... "we will work with disability groups and loc