# Commuter Rail: Agencies' Estimates of Operations and Maintenance Costs for Positive Train Control
> **GAO Report** · 2024-01-10 · `gao-24-106329`
## Report
- **GAO ID:** gao-24-106329
- **Type:** Report
- **Published:** 2024-01-10
## Source
- [GAO product page](https://www.gao.gov/products/gao-24-106329)
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