Complex sentence: Many MTA Regional Bus Operations bus routes are located nearby in Downtown Brooklyn, but with the exception of the in Dumbo/Fulton Ferry and in Cobble Hill, no bus routes actually stop in Brooklyn Heights.
Split into simpler sentences: Many MTA Regional Bus Operations bus routes are located nearby in Downtown Brooklyn, with the exception of the in Dumbo/Fulton Ferry and in Cobble Hill. However, no bus routes actually stop in Brooklyn Heights.