| Dimension | Effect |
|---|---|
| Speed | Wagon: 30–40 mi/day; Canal boat: 50–100 mi/day (continuous). |
| Cost | Road: 50% cheaper than old trails; Canal: 90% cheaper than road. |
| Freight Volume | Canal carried 10x tonnage of road by 1840. |
| Settlement | Road opened Ohio/Indiana/IL; Canal accelerated it + added NY/Western NY. |
| Market Integration | East↔West price convergence; farmers got cash crops; cities got food. |
| National Identity | Physical links → shared newspapers, politics, culture. |
Road fed canal (wagon to canal port); canal fed road (canal to inland towns). Together they knit the trans-Appalachian West to the Atlantic seaboard—the infrastructure foundation of Jacksonian America.