ms-cgl(90-100kmph)
cgl-vm(110kmph with plenty of speed restrictions in between due to doubling work)
vm-tpj outskirts(110kmph, vm-ariyalur one of the fastest sections in chord line)
tpj-mdu(100kmph mostly with some sections fit for 110kmph )
chennai...
more... - coimbatore ---- 110kmph entire section