Perhaps but I would argue spending less on roads - especially new roads rather than existing roads before anyone screams what about the pot holes. Even if cars go electric they still take up the same amount of road space as petrol ones and arguably electric cars may actually be heavier than petrol ones so may cause more pot holes.
Let’s not go down this pot hole too far!
But do keep in mind that local government pays for some road maintenance. Was this included in the earlier figure or was that only including the spending by the DfT?
Asphalt degradation is caused by the weather (hence why pavements and cycle paths degrade) and the quality (or rather lack of) of the foundation and asphalt surface. One of the biggest reasons for there being so many pot holes is temporary repairs rather than the section of road being properly resurfaced. Or poor quality work when a utility company has to dig up the road. Ironically this includes the highway authority itself...
Yes, road traffic also causes wear and damage. But most of the damage from vehicles is caused by lorries, trucks, busses or other large or heavy vehicles. That’s not to say that cars and vans don’t cause damage. They clearly do. Especially when the surface is not in a good condition. Plenty of examples in residential roads.
Would a ICE SUV cause more or less wear to the road surface compared to say a hybrid such as a Toyota Prius or say an electric MG ZS EV? I would have thought that driving style would also make a difference.
It’s the same with a railway track. If the ballast or formation is poorly done, heavy trains will soon cause dips, and then further damage and wear will result (to rails, sleepers and the ballast).
Anyway, this is rather off topic me thinks. Do we have another topic where this subject is or has been discussed?