I was looking throughout this site and noticed there wasn't a thread for this!
Let me start with a few pics of highways in London, my hometown.
Highway 401 (freeway)
Highway 402 (freeway)
Highbury Avenue (short grade-separated expressway)
Veterans Memorial Parkway/VMP (at-grade expressway)
All photos by me except the last one which was taken by Adam Colvin.
Despite all the highways in the area, London is the largest city in North America that does not have a freeway to serve 'local' traffic. The Veterans Memorial Parkway is planned to be upgraded to a freeway at some point, however it won't be for another 20-30 years.