![A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs11116-023-10444-7/MediaObjects/11116_2023_10444_Fig5_HTML.png)
A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation
![A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs11116-023-10444-7/MediaObjects/11116_2023_10444_Fig4_HTML.png)
A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation
![A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation A GPS-based user-verified shipment survey method to supplement the commodity flow survey: survey design, platform, and case study | Transportation](https://media.springernature.com/lw1200/springer-static/image/art%3A10.1007%2Fs11116-023-10444-7/MediaObjects/11116_2023_10444_Fig3_HTML.png)