With Truly Roaming, you can generally expect consistent 4G signal for the majority of your journey on the high-speed Sapsan train between Moscow and St. Petersburg. This allows you to remain productive, conduct virtual meetings, or stream content. While there might be brief, occasional drops in connectivity when passing through dense forested areas, overall, you'll have a reliable connection for your travel and work needs.
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What's the internet signal like with Truly Roaming on the Sapsan train between Moscow and St. Petersburg?
Updated April 22, 2026
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