These are broken down by states and not by the federal government. This is due the nature of the US licences.
US Drivers that want to drive in the UK, must sit the UK driving test if they wish to drive in Britain for more than a year after arriving. You can drive in the following countries with a UK licence: Austria, Belgium, Bulgaria, Czech Republic, Republic of Cyprus, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovenia, Slovakia, Spain and Sweden. To obtain a drivers licence in the UK, learner drivers need to apply for a provisional drivers licence, then pass their theory test and then a practical test. When travelling or moving abroad you might want to know if you can drive cars in other countries. It is important to understand the key differences between the different drivers licences across the world. Learner Driver Guide The differences between a UK and International drivers licence