17 months
It took 6 years to build the transcontinental railroad.
it took about six years to build the transcontinental railroad
It took 6 years to build the transcontinental railroad which was through the years of 1863 from May 10th to the year 1869. Some say 20 years. Overland route came after.
how long does it take to build a asimo
how long did it take to build the half moon
how long did it take to build the scottish parliment?
how long did it take to build cabot tower
They cost a lot of money and take a great deal of time to build. There really isn't a need for more than the existing transcontinental roads and RR lines.
Approximately 2 years.
hs2 will take 15 years to build
From 3 months to a year.
how long does it take to build a beam bridge of 2400 sq ft