Detailed text transcripts for TV channel - CNN - 20161225:12:15:00
Heaviest four mondays before peak. >> reporter: at christmas time or holiday time versus a normal day, how much does your volume increase? >> 12 million packages in the network. we're looking at over 25 million packages in the network for peak. >> reporter: if you're going to be carrying a lot of parcels over large parts of new york, you'd better be fit and ready for the battle ahead. after all, what they are carrying is the economy in motion. the packages are now making their way down the final sorting line. the drivers are identifying the yellow stickers that tell them which packages go on t...