Transcontinental railroad was built across two continents towards the western world. The last spike of this railroad was driven in at promontory summit, Utah.
<h3>What was the route of the transcontinental railroad?</h3>
The transcontinental railroad was 1911 mile-long at the time it was built. The total time taken by the railroad to be built was around 6 years, which started in the year 1863 and stretched up to 1869.
This railroad connected the already existing eastern US railway to the Pacific Coast. The last spike of this transcontinental railroad was built along the Promontory Summit in Utah.
Hence, option C; the last spike of the transcontinental railroad was driven in at the promontory summit in Utah, is correct.
Learn more about the transcontinental railroad here:
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