Definitely make it easier for people on crosswalks to start walking. Knowing that they are slowing down.
this post was submitted on 05 Jun 2025
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As a pedestrian this would be huge and make me feel so much safer.
Can I have indicators that are in the same place on all cars and not buried in the headlight? That'd be cool.
I was having a very hard time seeing any possible benefit of a front brake light, since nobody accident prone ever looks in their mirrors.
I suppose in today's world of automatic transmissions that move the car forward whenever the brakes are released, they might serve some purpose at a four-way stop adding information about immediate intent of the other parties, but even there... that's more of a Darwinian situation where people who get into crashes at four way stops are sorting themselves out from the rest of reasonably competent drivers. If they're going fast enough for injuries at a four way stop, they deserve what they get. If they get a minor fender bender - that's a lesson to read the other traffic better next time.
Id love then to know when someone is slowing down to turn when I'm trying to pull out. So few use turn signals, and even those I don't really trust until the car is noticably getting slower.
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I can't trust a car even with its turn signal on unless I see it actually slow down because I see them misused too often. The lack of signalling though is the biggest problem. People who suddenly change lanes right in front of you without warning are the worst. Then you have people who force you to wait because they can't be bothered to indicate if they are turning or going straight at intersections.
Also, don't start signaling as you are turning. I see you turning so you are just indicating what I'm already seeing. Signal before you turn.
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Like someone said in the hnews comments, this might work for auto transmission but with manual gearing you've got people using engine braking on hills.
Also like stated in the article the colouring is going to be an issue and trying to see some green lights whilst the headlights are on (full beam fog lights perhaps too?) doesn't seem practicable to me.
with computers these days an acceleration based system should be achievable for all types of cars. hybrid/electric cars already do it with regen braking.
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I think they should have it so there's a type of "slow down" light that supplements the brake light for when your deceleration is from taking your foot off the gas.
Perhaps a short paragraph of text elaborating on the driver's intentions
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Risk Compension predicts that drivers would simply use this new information to drive more aggressively, negating any possible safety benefits.
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This sure riled people up.