Now I realise its America, and may not be suitable everywhere, but I thought it a great idea. Someone actually put some thought into allowing bikes to cross major intersections safely by stopping all vehicular traffic.
Not as complex as your traffic light's Ratty but i've noticed that here in Devon our pedestrian signals now have 2 different buttons to press one for pedestrians and the other for cyclist ... Although im not sure why ?
Oh, thats 10 times longer than one near me. It starts half way up a bridge and finishes before the crest. Never quite saw the use of it
Dont know if anyone has seen this site http://www.warringtoncyclecampaign.co.uk/ its actually where I live as well! Facility of the month is always worth a look, and the sites not too bad actually.