taxi drivers often do not have change to large bills, so using 100 reals or 50 reals bills for short rides can create a problem, and delay the ride as someone in the car goes looking for change - using small notes will make life easier for all.

travelers should always carry the phone number of a few taxi companies located in the general area of interest, so that in case of a pre-arranged ride falling through, an alternative car can be called - also useful are taxi-apps downloadable on smart phones, useful to locate or call cars, popular apps in rio are 99taxi, taxija and easy taxi  - and international app that also operates in rio is uber, making rides for those familiar with this company more convenient.