Final answer:
The transcontinental railroad went through Nebraska, California, Utah, and more. The Union Pacific and Central Pacific railroads built the track from Omaha to Sacramento, connecting the East and West coasts of the United States. The connection point was Ogden, Utah.
Step-by-step explanation:
The transcontinental railroad went through several states including Nebraska, California, Utah, and more.
The two main companies involved in the construction of the railroad were the Union Pacific and the Central Pacific railroads. The Union Pacific built the track from Omaha, Nebraska, towards the west, while the Central Pacific built it from Sacramento, California, towards the east. Both lines were completed in 1869, connecting the East and West coasts of the United States.
The connection point between the Union Pacific and Central Pacific rail lines was Ogden, Utah.