The Swedish developed train X2, launched 1990 in Sweden as X2000 is still in service and is using tilting technology to increase speed. It&#x27;s been running the most popular commuter line (Stockholm &lt;-&gt; Gothenburg) for 25 years at 200 km&#x2F;h. <a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;X_2000" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;X_2000</a><p>Sadly it&#x27;s replacements focuses on efficient brakes over tilting.