Where did the two railroads join?

Sacramento, California

Council Bluffs, Iowa

Promontory Point, Utah

New Orleans, Louisiana

The two railroads joined at Promontory Point, Utah.

The two railroads joined at Promontory Point, Utah.

The two railroads joined at Promontory Point, Utah. To find the answer to this question, you could have done a quick search online or consulted a reliable resource such as a history book or article.