Complex sentence: Because the roundhouse now has an extra set of passenger coaches available for use with the absence of the "Lilly Belle", locomotives will typically swap their consist instead of waiting for the solid side panels to be put back on.
Split into simpler sentences: Because the roundhouse now has an extra set of passenger coaches available for use with the absence of the "Lilly Belle". Locomotives will typically swap their coaches instead of waiting for the solid side panels to be put back on.