Hmmm, not the Hurstbridge line is it? The only other one would be Glen Waverly :S 
http://www.victorianrailways.net/grades/gradehome.html
Take a look there for grade diagrams, they should help
http://www.trainman.id.au/grade.htm
Thats a handy tool for converting from '1inXX' grades to '%' grades for TRS as well
Zec

http://www.victorianrailways.net/grades/gradehome.html
Take a look there for grade diagrams, they should help

http://www.trainman.id.au/grade.htm
Thats a handy tool for converting from '1inXX' grades to '%' grades for TRS as well

Zec