- Ray's Abandoned Pennsylvania Turnpike Website
- Contains photographs and information about the abandoned sections and tunnels near Breezewood. Accepts outside submissions.
- The Abandoned Pennsylvania Turnpike
- Gives a background, and includes photographs and visiting tips, of this section near Breezewood.
- The Pennsylvania Turnpike -- a History
- Includes postcards from the early days including those of the original two-lane tunnels. Also contains recent pictures of abandoned sections.