![Class 37 locomotive in police livery chasing a class 43 HST recreating the British rail advert - YouTube Class 37 locomotive in police livery chasing a class 43 HST recreating the British rail advert - YouTube](https://i.ytimg.com/vi/l8tOOeA0Hbc/maxresdefault.jpg)
Class 37 locomotive in police livery chasing a class 43 HST recreating the British rail advert - YouTube
![Tim Dunn on X: "Of *course* Police boats have the same sirens as Police cars. After all, Police locomotives jolly well do — as we all know from that famous British Rail Tim Dunn on X: "Of *course* Police boats have the same sirens as Police cars. After all, Police locomotives jolly well do — as we all know from that famous British Rail](https://pbs.twimg.com/ext_tw_video_thumb/1482503523908661251/pu/img/LWREpr0nOw3LZD35.jpg)
Tim Dunn on X: "Of *course* Police boats have the same sirens as Police cars. After all, Police locomotives jolly well do — as we all know from that famous British Rail
![British Rail class 37 #37093 in the unique Metropolitan Police livery intended to promote rail safety, a variant of this livery was also applied to a class 47 (see comments) [1024x778] : r/TrainPorn British Rail class 37 #37093 in the unique Metropolitan Police livery intended to promote rail safety, a variant of this livery was also applied to a class 47 (see comments) [1024x778] : r/TrainPorn](https://c4.staticflickr.com/4/3718/10890020984_0fce96ba4d_b.jpg)