The survey of 285 Londoners was conducted by Bryter Research two weeks ago.
Read the full report, "Struck Out: Reforming London Underground's Strike Laws".
More top news
Police have identified a man and woman found stabbed to death in Fulham.
The Polish Cultural Association say they are "horrified" following abusive graffiti that was posted on their building in Hammersmith.
A time-lapse video has revealed how Ai Weiwei’s artwork Forever was taken apart.