Highway 404 is a major roadway in Ontario, Canada, primarily serving the Greater Toronto Area. It runs from Highway 401 in the south to Highway 7 in the north, providing a vital link for commuters and travelers. The highway is known for its scenic views and accessibility to various communities. Originally opened in the 1970s, Highway 404 has undergone several expansions and improvements to accommodate increasing traffic. It features multiple interchanges and connects to other major routes, enhancing regional connectivity. The highway is also equipped with amenities such as rest areas and signage for ease of navigation.