What UK Train does NOT go over 125MPH?

The answer is Sprinter, as it is a type of train commonly used in the UK that does not exceed a speed of 125mph. Sprinter trains are designed for regional and suburban services, providing efficient transportation for shorter distances and stops. While they may not offer high-speed capabilities like some other trains in the UK, they are well-suited for connecting smaller towns and cities within a specific area, facilitating convenient travel for commuters and local passengers.