Complex sentence: The railway boom of northern England led to the formation of the London and Birmingham Railway (L&BR) by Robert Stephenson in 1833, with the intention of meeting Joseph Locke's Grand Junction Railway at Birmingham, creating a north-south route.
Split into simpler sentences: The railway boom of northern England led to the formation of the London and Birmingham Railway (L&BR). In 1833, Robert Stephenson in 1833, planned to meet Joseph Locke's Grand Junction Railway at Birmingham, thus creating a north-south route.