TRAINS
U.K. opposition leader Jeremy Corbyn raised the idea of female-only passenger cars in 2015 to tackle harassment. Critics said segregating women would signal defeat on the issue.
BUSES
In the Chinese city of Zhengzhou, the introduction of women-only buses featuring pink fluffy toys has riled feminists who said they encourage stereotyping.
TAXIS
Women-only cabs (below) in conservative Dubai might reduce the risks of sexual assault, but they have been criticized for reinforcing gender segregation.
This appears in the January 30, 2017 issue of TIME.