Drunk Driving Repeat Offender Prevention Act of 2010 - Directs the Secretary of Transportation to withhold specified graduated percentages of a state's apportionment of certain federal-aid highway funds for FY2013-FY2015 if the state has not enacted and is not enforcing a law requiring the installation of an ignition interlock device for a minimum of 180 days on each motor vehicle operated by an individual convicted of driving while intoxicated or driving under the influence.