Hey! Just wondering what happened to NS' Stoptreins and Sneltreins.
Nothing happened to them, trains are still running as normal. What exactly is your question?
Stoptrains are now called sprinters and sneltrains have becomd either a sprinter or an intercity.
Stoptreinen are now called sprinters. Sneltreinen don’t exist anymore: these were trains that stopped in fewer locations than the stoptreinen, but more than intercities. Those connections have either become sprinters or intercities now. You will still see stoptreinen with other operators than NS like Arriva and Veolia.