wooden sleepers

CST-9 sleepers

steel trough sleepers

concrete sleepers

one on either side

two outside and one inside

one outside and two inside

two outside and two inside

flat mild steel bearing plate

mild steel canted bearing plate

cast iron anticreep bearing plate

none of the above

for points and crossings in the lead portion

with wooden sleepers at locations where creep is likely to be developed

on all joints and curves

on all the above

25 mm

40 mm

50 mm

10 mm