}}'''Treinserie 800''' is in NS-[[dienstregeling 2012]] de Intercityverbinding tussen [[Alkmaar]] en [[Maastricht]] / [[Heerlen]].
== Traject ==
{{ TreinRouteTop |
{{ TreinRouteRij | {{Rimg|rer}}{{Rimg|0sICr0sr}} | Schagen}}{{ TreinRouteRij | {{Rimg|rer}}{{Rimg|rsICrrsr}} | Heerhugowaard}}{{ TreinRouteRij | {{Rimg|rer}}{{Rimg|rsICrrsr}} | Alkmaar Noord}}
{{ TreinRouteRij | {{Rimg|0sICr}}{{Rimg|rsICr}} | Alkmaar}}
{{ TreinRouteRij | {{BRimg|raICr}} | Heiloo }}