Complex sentence: Thames Valley's Roads Policing operate diesel Vauxhall Vectra Estate's and a handful of 2.8 Turbo V6 Saloons along with 4x4's like any other force, they also operate several unmarked cars.
Split into simpler sentences: Thames Valley's Roads Policing Department operate diesel Vauxhall Vectra Estate's and a handful of 2.8 Turbo V6 Saloons. Like any other force, they also operate several unmarked cars.