Complex sentence: Serving as chair of the Miami-Dade county transportation subcommittee, he helped create the Metro-rail and Tri-rail systems; other work includes the assisted creation of the trauma care center at Jackson Memorial Hospital.
Split into simpler sentences: Serving as chair of the Miami-Dade county transportation subcommittee, he helped create the Metro-rail and Tri-rail systems. Other work includes the assisted creation of the trauma care center at Jackson Memorial Hospital.