Kalyan with M/E, Freight & Local holds the first position
CNB dont have much Local & Freight Traffic bye-pass CNB by Govindpuri Branch Line, which meet again into trunk line @ Chandari.
GZB do have more Freight & Local than CNB & comparatively, it will supercede CNB.
Mughalsarai is the biggest Junction/Yard & quite famous, as no train can pass it, without stopping Technically!!...
more... and MGS is holding 249 trains
ALD is holding 204 trains
LKO+LJN is holding TOTAL 277 trains in which 223 trains are with LKO and rest LJN excluding freight
so the statstics shows like this
1) Kanpur with 296 trains
2) Lucknow with 277 trains
3) Mughal Sarai with 249 trains
4) Allahabad with 204 trains