California's estimated cost per mile is about twice Texas Central's and about five times the World Bank's European benchmark.
| costPerMileMillions | project |
|---|---|
| 255 | California HSR Phase 1 |
| 125 | Texas Central |
| 99 | Brightline West |
| 51 | Europe (World Bank) |
| 31 | China (World Bank) |
| 26 | Brightline Florida (125 mph) |