Universal bike lanes: the only way to mass cycling?

"UK cycling lobbyists have bickered long and hard about whether bikes should be segregated from other traffic or merely integrated safely. If you believe this study then only the former has any chance of getting significant numbers of Britons out of their cars and onto bikes."

http://www.guardian.co.uk/environment/bike-blog/2011/jun/03/cycling-study-bike-paths