# Federal Highways: DOT Should Improve Communications on Its Cost-Effectiveness Tool for Emissions Reductions
> **GAO Report** · 2025-06-18 · `gao-25-107366`
## Report
- **GAO ID:** gao-25-107366
- **Type:** Report
- **Published:** 2025-06-18
## Source
- [GAO product page](https://www.gao.gov/products/gao-25-107366)
---
*AI Analytics · CC0 1.0*