GE CM22-7i no. 4531 propelled the rapid train no. 172 from Sungai Ko-lok to Bangkok.

GE CM22-7i No. 4558 propelled the rapid train no. 172 from Sungai Ko-lok to Bangkok.

Hitachi 8FA-36C No. 4522 propelled the rapid train no. 172 from Sungai Ko-lok to Bangkok.

Amtrak regional train 172 heads north toward Providence and Boston and past a cove where the Pattagansett River empties into Long Island Sound at Niantic.