The Great Allegheny Passage Conservancy conducts and analyzes annual trail counts along the GAP, and coordinates occasional research about how tourism impacts the regional economy.
The 2021 economic impact analysis in which Pittsburgh-based consulting firm Fourth Economy estimates over $121 million in annual economic impact through tourism on the GAP is available for download here.
- Analyses of Trail Usage Patterns along the GAP 2020 | 2019 | 2018 | 2017 | 2016 | 2015
- Economic Impact Analyses along the GAP 2021 | 2015 | 2012 | 2008
- Trail Towns: Capturing Trail-Based Tourism 2005
As new research is produced, we will add it to this library.