| “ | Construction Wagons are cheaper, stronger and travel more quickly. | ” |
| —In-game description | ||
Oregon Trail is a technology in Age of Empires III: Definitive Edition that is available at the State Capitol for the United States. It is also available to the the Mexicans through the "California Statehood" Home City Card if they revolt to California, and through the "Texas Statehood" card if they revolt to Texas. Once researched, it reduces the cost of construction wagons by 25%, and increases their hit points and speed by 25%.
For the Mexican California and Texas revolutions, this technology is named "California Trail" and "Santa Fe Trail", respectively.
| Capitol technologies | |
|---|---|
 Blockade ·  Spies ·  Knighthood ·  Peerage ·  Legendary Native Warriors ·  Immigrants ·  Large Scale Agriculture ·  Deforestation ·  Excessive Taxation ·  Cadets ·  Brigadier General | |
 State Capitol technologies | |
 |  Statehood ·  State Constitutions ·  Oregon Trail |
 |  New Mexico Immigration · Cadets |
 |  Iowa Farmlands ·  Pine Tree State ·  Mountain State Gold Rush · Brigadier General · Blockade · Spies · Legendary Native Warriors |
| Other civilization's counterparts | |
| African |  Large Scale Farming ·  Ebony Exports ·  Strangers' Quarters |
| Asian |  Mechanized Rice Cultivation ·  Tropical Timber Trade ·  Collective Economy · Exalted Natives |
| Native American |  Large Scale Gathering · Deforestation ·  Excessive Tribute · Legendary Native Warriors |