I was in London over Easter and found that in some of the green lights for pedestrians, the "walking man" had been replaced with symbols in various combinations: masculine, feminine, something-I-didn't-recognize.
http://metro.co.uk/2016/09/18/gay-and-here-to-stay-lgbt-traffic-lights-wont-be-removed-6135953/ says they were put up on 2016 to celebrate London Pride (the parade, not the beer) and I haven't seen them until now. We joked about having to find the right combination so we could cross together :-)