Heat Incidents In the summer of 2001, about 600 passengers were treated for heat problems when three trains were brought to a halt for 90 minutes on the Victoria Line. read more
This effect can produce a strong wind blowing though the tunnels and stations. The usefulness of the piston effect as a way of drawing air through the system varies from place to place, its key limitation being that it ceases to operate if trains stop moving. read more
Blowin' or Blowing in the Wind info: "Blowin' in the Wind" is a song written by Bob Dylan in 1962 and released on his album The Freewheelin' Bob Dylan in 1963. Although it has been described as a protest song, it poses a series of rhetorical questions about peace, war and freedom. read more