| skos:altLabel | - 50
- 51
- 52
- 53
- 54
- Amsterdam
- Metro
- metro
- Route 51
- lines
- Line 50
- Route 50
- Route 54
- metro line
- metro system
- Route 53
- East Line
- underground metro
- North-South line
- Amsterdam Metro network
- Amsterdam Metro#Network
- Amsterdam Metro#North/South Line
- Amsterdam Metro#North/South line
- Amsterdam metro
- Amsterdam's first metro line
- Amsterdam's subway
- Line 51
- M1, M2 and M3 series
- M5 Series
- Metro line 50
- Metro line 51
- Metroline 50
- Metroline 54
- Noord-Zuid metro line
- North-South Line
- North-South metro line
- North-south line
- North/South line
- North–South line (line 52)
- Route 52
- line 50
- line 51
- metro routes
- underground railway network in Amsterdam
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