Godan Express: गोदान एक्सप्रेस - प्रेमचन्द की लेखनी ने रची यह अनुपम कृति, ये जोड़े मुंबई से पूंर्वांचली संस्कृति ।। - Saurabh

Between spj and Patna, via bju is 25-30 km longer than the route via Mfp, ppta. But rake reversal will be compulsory at spj. Which train should be diverted via Mfp, ppta to save time?
12569/70 actually exchange its loco between diesel and electric at bju. In new route it can do the same at spj along with rake reversal.
For 12569, New TT can be jyg d 13:25, mbi d 14:00, ski d 14:25, dbg d 14:55, LSI d 15:05, hyt d15:21, spj a 16:20, d 16:40, Mfp d 17:35, Hjp d...
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18:27, ppta a 19:05 d19:15 rest remains unchanged then new average speed is 64.
For 12570, new TT can be same up to DNR then, ppta a 5:50, d6:00, Hjp d 6:40, Mfp d 7:40, spj a 8:30 d8:50, hyt d9:17, LSI d 9:42, dbg d 9:50, ski d 10:15, mbi d 10:33, jyg a 11:15. Then average speed is 66.