I take your point(s) that the argument cant be "Everyone just use bikes and trains". That's obviously not practical but to be fair it's not what is being suggested either.
But in relation to the point you made about bad or cold weather being a factor for bikes being an impractical mode of transport. Please take a few minutes to consider the points and examples provided in this video (1).
TLDW: There is a town in Finland (Oulu) where cycling is a primary mode of transport (over a fifth of of all trips are by bike and 77% of people cycle occasionally) even in winter when it gets down to -20 Celsius.
Weather is always spouted as a reason for not investing in bike infrastructure which is really annoying because that becomes a self fulfilling prophecy. It's the lack of safe and adequate bike infrastructure that stops people from cycling. Anyway, I thought it was worth adding that point of nuance to the discussion.
From the video: in the winter cycling capital of the world, 22% of all trips are taken by bicycle (all year round). This leaves 78% of trips not taken by bicycle. Honestly, 20% is what I'd expect as an upper limit for bike trips, in a place with great infrastructure and solid biking culture.
This is not an argument that (EV) cars can be replaced by trains+bikes. This is a solid argument, with which I agree, that bikes have a place in a transportation ecosystem and they should be encouraged. I was never disputing this - I own several bikes, and I actually prefer to rent uber electric scooters over uber cars.
We are in agreement so, in that bikes are an absolutely essential component of a more sustainable transport infrastructure. 20% by the way is a very large number in the context of the total number of trips taken by any given population and unlike you I do not believe this is an upper limit of what can be achieved with bikes but this is a separate discussion.
I just wanted to clarify a bugbear with me which is the "people don't use bikes because the weather is crappy". I know nuance is lost in such a few amount of words and that's probably not what you are saying in totality but i just wanted to highlight this point.
As an aside, I lived in a large city where amenities such as supermarkets were relatively far away. For a couple of years I got away with not owning a car and using a bike for all shopping needs. There are some examples of where a car would have been way more convenient but the fact of the matter is I made do without it. There are a large number of trips that I made with the bike that I wouldn't have done if I did have a car. Humans are creatures of convenience. There are some trips where a car (or something similar) is absolutely essential but for the vast majority it is not. In situations of necessity it is amazing what can be achieved. We are not living in an age of necessity with regards to means of transport but we really should be if the climate science is to be believed.
Between electric bikes and work from home during bad weather, I don't see why that upper limit couldn't go much higher in most large cities. The benefits outside energy use are also great. Increased safety, decreased noise and tire pollution, etc.
But in relation to the point you made about bad or cold weather being a factor for bikes being an impractical mode of transport. Please take a few minutes to consider the points and examples provided in this video (1).
TLDW: There is a town in Finland (Oulu) where cycling is a primary mode of transport (over a fifth of of all trips are by bike and 77% of people cycle occasionally) even in winter when it gets down to -20 Celsius.
Weather is always spouted as a reason for not investing in bike infrastructure which is really annoying because that becomes a self fulfilling prophecy. It's the lack of safe and adequate bike infrastructure that stops people from cycling. Anyway, I thought it was worth adding that point of nuance to the discussion.
1. https://www.youtube.com/watch?v=Uhx-26GfCBU
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