Factual errors: When Winthorpe is in the cab and Valentine is in the limo and they see each other, the street they are on, outside Independence Hall, is two-way traffic. This was only done for the movie. In real life, this is a one way street heading east. You can see the white lines on the street dividing the travel lanes, rather than a double yellow line which would be needed for it to be denoted as a two-way street.
more