Used within the Travellers Road Information Portal Interactive Map to convey transportation related information in both official languages. Contains a list of the 23 service centres managed by the Ministry of Transportation along Highway 401 from Windsor to the Quebec border, and along a portion of Highway 400 north of Toronto. This data is best viewed using Google Earth or similar Keyhole Markup Language (KML) compatible software. For instructions on how to use Google Earth, read the Google Earth tutorial . This dataset is now available via the Ontario 511 Developer API *[KML]: Keyhole Markup Language