It's emerged more than a third of the UK's railway platforms are still without tactile paving. It was designed thirty years ago to make it very clear to a blind or visually impaired rail user exactly where the edge was. Caroline Pidgeon, a Lib Dem member of the London Assembly, asks how long will it take before this safety measure is universally installed? As university students across the UK prepare to head home for Christmas, we hear from two first years who are visually impaired. How has their first term worked out during a pandemic? PRESENTER: Peter White PRODUCER: Mike Young