File:Old Turnpike Road, Long Hill - geograph.org.uk - 771195.jpg - Wikimedia Commons
In US, what is the difference between highway, freeway, motorway, turnpike, causeway, parkway, expressway, etc.? Why are there so many names for the same thing? - Quora
State officially kills Florida Turnpike extension, citing public opposition | WUSF Public Media
1555-2009: The first turnpike and toll roads – the history of state-control of the highways | The Isles Project
Pennsylvania Turnpike Explores Electrified Road Services for EVs | Transport Topics
New Jersey Turnpike and Garden State Parkway
Review of The Turnpike Roads of Leicestershire and Rutland
Bellmawr's Exit 3: Traffic woes made worse by N.J. Turnpike expansion?
The Pennsylvania Turnpike Turns 75 | FHWA
Regency History: Turnpikes and toll houses
Turnpikes and Toll Bridges | The Encyclopedia of Oklahoma History and Culture
Oklahoma Turnpike Authority proceeds with $5 billion expansion plan