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Cake day: June 18th, 2023

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  • NL guy here.

    So a centre marking tells me it’s an 80 km/h road, and the side markings, together with the trees off to the side, aim to optically narrow the road, making drivers more conscious of their speed. This is part of the Dutch universally applied standards of traffic calming.

    If there were only markings on the side, usually a little inwards from the roadside, it’d be a 60 km/h road. This would be even more pronounced if the space outside of those lines had red asphalt. In such a case, it’s sometimes allowed, or even expected, for cyclists to cycle in the main roadway.

















  • Meanwhile, let’s also face that EV’s have to carry around large batteries. One advantage that ICE cars do have is the power density [J/kg] of petroleum fuel is leaps and bounds better than that if a lithium battery. This means that EV’s are likely to produce more road noise from rolling, the dominant source of noise above 50 km/h, as well as more wear to the roads, since wear is a function of vehicle mass to some pretty high power. (I thought it was m^(4), but I’m not sure)

    On top of that, while EV’s don’t have any tailpipe emissions, the power that they need still needs to come from somewhere. Thus the carbon emissions for use are a function of the national power grid of the place where you’re charging your car.

    Thus, A) if cars are already a fairly small part of the transportation mix, B) steps are taken to further improve the quality and availability of alternatives to cars, and C) the power grid is dominated by nuclear power and/or renewables, then EV’s could be better for the environment.