Chiltern's NEW Mk5a trains will TRANSFORM Chiltern Services!

In today's video, filmed 27th Jan 2026, I look at Chiltern Railway's new Mk5a trains, cascaded from Transpennine Express. These 'new' trains are replacing the ageing Mk3 trains which date from the 1970s on Chiltern's London - Birmingham services! In this video I explore the 'Explorer' sets, looking at their history with TPE, their move to Chiltern and how they will, hopefully, drastically improve and transform Chiltern services from December 2026!

I've made a full video on the trains they're replacing; https://youtu.be/ziIV7ogTSRY

Hugh from the TfL Three: https://www.youtube.com/@thetflthree
His video on the Mk5a's: https://youtu.be/xpCVoYYpZ20?si=rV_XXA80Kzshk2Zb

Huge thanks to my friend Phil from Chiltern for making this possible, his Twitter is; https://x.com/I_am_Phil_Smith (Also thanks to everyone else I met on the day!)

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