The availability signs are the most recent topic of discussion for changes in NYC yellow cabs. The TLC is discussing changing the only thing in a yellow cab that has not yet been changed, updated, and redesigned.
There are several options:
Although the talks are just beginning, this really complements the Bloomberg administration’s focus on renewing and redefining the taxi and limousine industry in New York. Pretty much only one thing left is the availability sign after adding GPS, Television screens, and even changing the cars.
Read a detailed article on NY Times.