Bi Directional Flashcards
1
Q
What lines are bi-directional?
A
Lines 1-6
Down relief near carriage line ( UP direction )
UP relief to Hayes platform DAX signal or bay platform ( down direction )
Down Main Hayes to Southall ( UP direction )
2
Q
What shunt can you do on the DR by carriage lines?
A
Change ends at signal that puts you in carriage line and take bunny ears signal ( pos 1 line 5 pos 4 line 3)
