The Infrastructure Stimulus Fund (ISF) was a federal program implemented during the 2008-2009 global financial crisis as economic stimulus, providing approximately $4 billion for municipal infrastructure projects across Canada. The program exemplified counter-cyclical spending—governments investing during economic downturns when private sector activity slows, providing jobs and economic activity while building lasting assets. ISF required rapid project implementation ("shovel-ready" focus), federal-provincial-municipal cost-sharing, and projects that could be substantially completed by March 2011. The tight timelines created challenges—only projects ready to proceed immediately could access funding, favouring well-prepared municipalities. ISF demonstrated how infrastructure investment can serve both long-term asset needs and short-term economic stabilization. Similar approaches have been used in subsequent economic challenges, though debates arise about appropriate project selection, whether infrastructure spending is the best stimulus mechanism, and how to balance speed with appropriate planning.