What date did President Obama sign into law MAP 21?

The correct date that President Obama signed MAP-21, which stands for Moving Ahead for Progress in the 21st Century Act, into law is July 6, 2012. This legislation aimed to improve transportation infrastructure across the United States and was pivotal in reauthorizing surface transportation programs.

Understanding the significance of this date is essential for grasping the legislative timeline related to transportation policy in the U.S. MAP-21 consolidated and streamlined several prior laws, affecting funding and policy frameworks. Knowing when this law was enacted helps contextualize developments in transportation policy and funding strategies during President Obama's administration.