The Ministry of Transportation just released a wonderful archival video from 1966! In it they drive from Horseshoe Bay, through downtown Vancouver, up Main street then onto Kingsway to Burnaby. It was part of their 'photologs' where they would mount a camera on a car and produce a film on 16mm.
In a blog post the Ministry states that "these roads were classified as provincial Highways 1 and 99 until the early 1970s. In fact, Kingsway was also a component of the Trans-Canada Highway until construction was completed on the current alignment of the TCH across the Fraser River on the Port Mann Bridge in 1964."
The speed at which they are able to go from Stanley Park to the viaduct is insane, hearkening back to a time before traffic was snarled and you did your best to avoid taking that route (protip: take the Ironworkers Memorial every time). Have a look at the video below and learn more on the TranBC website which represents the most friendly, non-partisan communications arm of the provincial government.