Complex sentence: The area is served by the 120 Dublin Bus route, which terminates at the railway station, and also by the 37,38,39 and 70 routes which pass nearby on the Navan Road.
Split into simpler sentences: The area is served by the 120 Dublin Bus route, which terminates at the railway station. The 37,38,39 and 70 routes also pass nearby on the Navan Road.