Complex sentence: CalTrans also leased 3 Non-Powered Control Units (former F40PH locomotives turned into cab control and baggage cars) from Amtrak, these control cars are painted in a livery that matches the original livery of Caltrain's F40PH locomotives.
Split into simpler sentences: Caltrans also leased three Non-Powered Control Units (former F40PH locomotives turned into cab control and baggage cars) from Amtrak. These control cars are painted in a livery that matches the original livery of Caltrain's F40PH locomotives.