The technological improvement brought by the railroad is faster transportation.
Step-by-step explanation:
Railroad is a type of permanent road that are made of line of rails lying on a roadbed. The railroad was invented in September 1825. Railroad can be used for the operation of locomotives. Locomotives carry both goods and passengers on regular schedules.
Railroad led the way for faster transportation. High-speed rail (HSR) is a type of rail transport that efficiently operates faster than bus or car. Railroad helps in quick and fast transportation of passengers and goods.