Canton Avenue is 630 ft (190 m) long (the hill is about 65 meters long) and is claimed to include a 37 percent grade with a length of 21 feet (6.4 m). According to the Guinness Book of World Records, Baldwin Street, in Dunedin, New Zealand, is the world's steepest street with a gradient of 34.8 percent  because Guinness measure it based on the steepest 10-metre section of the road.
In March 2016, the street was the subject of a commercial, featuring freeskier Bene Mayr, snowboarder Heikki Sorsa, downhill mountain biker Aaron Gwin, and racing driver Mattias Ekström for the Audi Quattro A4 automobile.
- "Here: In Beechview". Pittsburgh Post-Gazette. 30 January 2005.
- Kambitsis, Jason (1 December 2010). "The Steepest Road on Earth Takes No Prisoners". Wired.
- Russo, Carla Herreria (28 February 2014). "Hit The Brakes! The 10 Steepest Streets in America". HuffPost. Retrieved 10 November 2016.
- "Steepest Streets in the World". WorldAtlas. Retrieved 30 July 2017.
- "Pittsburgh Hills". Western Pennsylvania Wheelmen. Archived from the original on 16 May 2007. Retrieved 11 August 2007.
- An article in the Pittsburgh Press on 11 January 1987 cites information compiled by the Surveys Division and the Snow and Ice Control Program, Dept of Public Works, that Canton Street has a steepness of 37 percent.
- "New Zealand street once again the world's steepest after Guinness World Records reverses decision". 8 April 2020.
- Bene Mayr, Heikki Sorsa, Aaron Gwin, Mattias Ekström (1 March 2016). Audi quattro challenge - The Steepest Street. Pittsburgh, PA. Retrieved 3 July 2017.
- Shumway, John (2 March 2016). "World's Steepest Street Featured in New Audi Commercial". Pittsburgh, PA: KDKA-TV. Retrieved 4 March 2016.
- Blazina, Ed (3 March 2016). "Audi challenges Beechview's world-class-steep Canton Avenue". Pittsburgh Post-Gazette. Pittsburgh, PA. Retrieved 4 March 2016.
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