A relative of one of the survivors of the Bethnal Green Tube disaster in World War II wants to raise funds for a new memorial.
In 1943, 173 people were crushed to death at the station following an air raid warning.
A plaque at the east London station serves as a reminder but campaigners say they want a more fitting memorial.
Sandra Scotting from Kent, whose mother Ivy Brind survived, is planning to raise £650,000.
The crush, in which 62 children lost their lives, is thought to have started when a woman with a baby tripped in the darkness on wet steps.
The warning was, in fact, British troops testing equipment in nearby Victoria Park.
Ms Brind, then 25, was heading there with her two-year-old nephew Barry and thousands of others.
Although she survived the disaster and lived until her 70s, her mother was one of the victims.
Ms Scotting, from Hartley, said: "I am doing it for my family.
"My mother lived with this pain all her life.
"She actually said that every night of her life when she laid down to sleep she heard the cries and screams of everybody."
MPs have also backed the campaign with two Commons motions being tabled to support the Stairway to Heaven Trust, which campaigns for a memorial to be erected on the steps to Bethnal Green station.