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| 631
| [[Lijn 631 Heerlen Station - Beek Station|Heerlen Station (- Heerlen Zuyd Hogeschool) - Neerbeek - Beek]]
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|-
| 633
| [[Lijn 633 Sittard Station - Urmond Chemelot Campus|Sittard - Chemelot Campus ← - Beek]]
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|-
| 635
| [[Lijn 635 Heerlen Station - Beek Station|Heerlen Station (- Chemelot Campus ) - Beek]]
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|-