While it is easy to get to Pakret by bus or taxi from Bangkok, it is much more interesting to take a green flag express boat.

BBC: Take the boat out of Bangkok

Green flag express boats only sail south to Bangkok in the morning, so you will have to pay a private boatman to take you down to Nonthaburi Pier (the going rate is about 500 baht).

BBC: Take the boat out of Bangkok

The city buses are colour-coded to instantly telegraph what type of route they ply: red buses are express, green buses run short routes between subway stations and other points.

BBC: Living in: Great cities for public transport

When the signal at Gadadharpur Halt turned green, the Uttar Banga Express had moved on to its next scheduled stop of Sainthia.

BBC: Driver 'error' led to West Bengal train crash

This report identified the Green Dot Prepaid Card and the American Express Prepaid Card as being the best choices for these options, respectively, primarily because of their low costs for typical usage.

FORBES: Are Prepaid Cards Turning into the George Lopez Show?

American Express ( AXP), issuer of the green charge cards that are synonymous with the expense account life, has long competed against banks and, by some measures, out-earned the deposit-and-loan crowd.

FORBES: Banking Weighs Heavily On American Express' Stock

Green Dot shares lost nearly 20% this morning after Wal-Mart and American Express said it would roll out a competing product.

FORBES: Red Light For Green Dot Investors On Wal-Mart, Amex Threat