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".
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The accident happened on Clapham Road at lunchtime.
Tower Hamlets tops the league, with the population set to soar 25% by mid-2024.
Senior Tory Andrew Boff suggested the new mayor was backtracking on a manifesto pledge to build 80,000 homes a year.