[1] In Wethersfield, US 5 and Route 15 leave the turnpike for the controlled-access Wilbur Cross Highway heading towards Hartford.

This is the western terminus of Route 314, which takes a right turn onto Jordan Lane soon after to actually proceed in the eastbound direction.

[2] The turnpike was built to connect the courthouses of New Haven and Hartford in as straight a route as was allowed by the terrain.

In 2010 a book entitled, The Berlin Turnpike: A True Story of Human Trafficking in America was published by author Raymond Bechard.

The long straight trajectory of the Berlin Turnpike has allowed it to become prone to excessive speeding and deadly accidents.