Permanent Speed Restrictions (PSR) in Gzb Cnb section of Prayagraj division of both UP/DN direction.3rd & 4th line are the Up/Dn line respectively (Specifically for Cnb Bhaupur quadruple section).PSR in Tdl Gzb section is negligible but the old layout large station yards and Cnb Pnkd strech is the bottleneck where yard remodeling at large scale is required.