The Canada Base Map - Transportation (CBMT). This web mapping service provides spatial reference context with an emphasis on transportation networks. It is designed especially for use as a background map in a web mapping application or geographic information system (GIS). Access is free of charge under the terms of the following licence: Open Government Licence – Canada - http://open.canada.ca/en/open-government-licence-canada. Its data source is the CanVec product which is available on Open Government web site with title Topographic data of Canada - CanVec Series (http://open.canada.ca/data/en/dataset/8ba2aa2a-7bb9-4448-b4d7-f164409fe056).