Infrastructure field guideEvidence-linked Canadian dataRequest service

Sources and dates

How we check each listing

Every facility page shows its source, last check date, next review date and city-level map point.

Start with a direct source

Government pages are used for federal facilities. Operator pages are used for commercial facilities, campuses, cloud regions and announced projects. When a detail comes only from the operator, the listing says so.

Search results, map listings, rankings and copied directories are useful leads, but they are not enough on their own to add a facility.

Keep the map at city level

Facility markers use place names from the Canadian Geographical Names Database. This shows the city or community without presenting the point as a street address.

Show when details were checked

Each listing shows when its source was last checked and when another review is due. A listing that needs rechecking is not automatically closed; it simply needs a fresh source check.

Important corrections are checked before the listing is changed.

Make corrections specific

A useful correction names the facility, the detail that is wrong, the proposed replacement and a supporting source. Sensitive or unsupported information can be removed while it is checked.