Avoiding Life-Endangering and Reckless Texting by Drivers Act of 2009 or the ALERT Drivers Act - Requires the Secretary of Transportation to withhold 25% of a state's apportionment of certain federal-aid highway program funds for the fiscal year if the state has not enacted or is not enforcing a law that: (1) prohibits, except in an emergency, an operator of a motor vehicle from writing, sending, or reading a text message using a hand-held mobile telephone (excluding a voice-activated device); and (2) requires, upon conviction of a violation of such prohibition, the imposition of certain minimum penalties.