President-elect Barack Obama outlined in his December 6, 2008 radio address that he and his economic team will pledge to improve the nation's infrastructure while creating or saving at least 2.5 million jobs.The Office of the President-Elect: President-Elect Barack Obama Lays Out Key Parts of Economic Recovery Plan (December 6, 2008) Furthermore, the "single largest" investment in national infrastructure since the 1950s is planned in order to repair and build roads and bridges, rebuild schools and increase energy efficiency in buildings.The Office of the President-Elect: President-Elect Barack Obama Lays Out Key Parts of Economic Recovery Plan (December 6, 2008) In light of the announcement, stocks responded by rising on Wall Street particularly with industries that are related to infrastructure, such as the construction and material industries.Yahoo! News: Wall St. Rallies on Infrastructure Plan (December 8, 2008)

President-elect weekly radio address:

• "We will create millions of jobs by making the single largest new investment in our national infrastructure since the creation of the federal highway system in the 1950s. We’ll invest your precious tax dollars in new and smarter ways, and we’ll set a simple rule – use it or lose it. If a state doesn’t act quickly to invest in roads and bridges in their communities, they’ll lose the money."—Barack ObamaThe Office of the President-Elect: President-Elect Barack Obama Lays Out Key Parts of Economic Recovery Plan (December 6, 2008)

Meet the Press interview:

• "That's why I spoke ...about the importance of investing in the largest infrastructure program in roads and bridges and other traditional infrastructure since the building of the federal highway system in the 1950s; rebuilding our schools and making sure that they're energy efficient; making sure that we're investing in electronic medical records and other technologies that can drive down health care costs. All those things are not only immediate --part of an immediate stimulus package to the economy, but they're also down payments on the kind of long-term, sustainable growth that we need."—Barack ObamaMSNBC: Transcript of Obama on Meet the Press (December 7, 2008)