Railway tracks are laid on large sized wooden sleepers so that the thrust due to the weight of train is spread over large area .This reduces the pressure on the ground which would prevent the yielding of the ground
wooden sleepers are kept because the weight of train is balanced and distance between tracks same.
On 16th April 1853, under the rule of Lord Dalhousie, the first railway line between Bombay ( Now Mumbai ) and Thane was opened.
Dugandan railway line was created in 1882.
Timboon railway line ended in 1986.
Timboon railway line was created in 1892.
Mildura railway line was created in 1874.
Portland railway line was created in 1877.
Hendon railway line was created in 1940.
Hendon railway line ended in 1980.
Camden railway line ended in 1963.
Camden railway line was created in 1882.
Beenleigh railway line was created in 1885.