Yes, even though public transport in Luxembourg is free nationwide, active mobile data from Truly Roaming is essential. The Mobiliteit.lu app provides real-time schedules and helps you find the correct bus or train platform in Luxembourg City. Without data, navigating the system efficiently would be significantly more challenging.
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Even with free public transport in Luxembourg, is data from Truly Roaming required for the Mobiliteit.lu app?
Updated April 22, 2026
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