original_query: What is the route of U.S. Route 3 in the United States?
query: What is the route of U.S. Route 3 in the United States?
answer: US Route 3 runs from Boston, Massachusetts, through New Hampshire, to the Canada–US border near Third Connecticut Lake.  It's a mix of freeway and surface streets, passing through many cities and towns along the way.  Specific details of its route through each state are extensive and require consulting the article for complete information.