Complex sentence: The 162nd Division, concentrated south of Tasa, had been standing by to cross since dawn on October 16, and for this purpose the division advanced towards the canal, but movement was hampered by the massive traffic jams on the roads leading to the canal.
Split into simpler sentences: The 162nd Division, concentrated south of Tasa, had been standing-by to cross the canal since dawn on October 16. The division advanced towards the canal but movement was hampered by the massive traffic jams on the roads leading to the canal.