This is exactly the type of detail that I hadn't really thought about which is why it's great to hear from people with first hand experience (rather than basing the commute time on a Google Maps estimate without factoring in the time of day...).
I think it will be interesting to see the long-term effect of Covid on traffic. On the one hand more people will be working from home, but on the other hand those that commute might be less inclined to use public transport.
Point taken, maybe not the most sensible option!