Overview of Class 170 3tone
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Main Features
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Developments
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CrossCountry's Regional Services Just Got A HUGE Upgrade

Class 170 3tone

class 170 3 tone Doppler at severn tunnel junction

Class 170 TransPennine Express with a 3tone horn

*SICK 3 TONE* Class 170 departing Stowmarket 31/01/15

Class 170 Trans Pennine Express with a 3tone horn

Class 170 TransPennine-Express with a 3tone horn.AVI

The last SPT Class 170 departs Croy with a 3 tone: 05/04/14
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Last Updated: August 24, 2026
Future Outlook
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Disclaimer: Disclaimer: All information is compiled from publicly available data, media reports, and analysis. Actual details may vary.