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31

To make AMBULANCE easier read for vehicles in front of the ambulance. Ambulance are typically in greater speed than surrounding vehicles which make the ambulance front visible in other cars rear view mirror. At least those cars that need to get away to give room for the ambulance passing through traffic. The most common modern usage of mirror writing can ...


23

Turin's unmanned tube (Italy) has barriers that extend from the quay to the ceiling of the basement. It is virtually impossible to fall on the tracks without tampering with the automatic doors. Pratical example: (Operating: https://youtu.be/Fab0mLzBxts?t=70) I think this is a great solution.


18

User Protection vs. User Irresponsibility The original question and several answers given show a gap between the understand of "protecting the user" and "avoiding user irresponsibility," so let's get that out of the way. Protecting the user is of paramount importance within the UX process. Avoiding user irresponsibility is impossible. Simple. ...


11

The "shark-tooth" yield lines are not arrows that point you in a direction. They are a line of yield signs - also known as a yield line. In Europe this is a standard and all drivers are familiar with this. At roundabouts these yield lines are often used in combination with a roundabout sign. The roundabout sign uses arrows to indicate in wich ...


7

In Japan they use fences to stop this from happening.


7

Nowadays, it's done more out of tradition and convention than for functional reasons While the original purpose of the reversed 'AMBULANCE' was better readability, advances in lighting, safety design, and understanding of visual cognition have rendered this lettering of secondary importance. Some issues with the reverse AMBULANCE signage: The word is long ...


6

Here is what goes through my mind when I see those shark teeth on the road... Am I going the wrong way? Is this against the flow of traffic? Will those things pop my tires? In any case, driving into arrows that are pointing at you is jarring and can make you think twice and proceed with caution. That is exactly the goal here to make drivers more alert ...


6

SCREENDRIVE: VOLVO'S TAKE ON THE TOUCHSCREEN ACTUALLY MAKES SENSE A gigantic and potentially distracting touchscreen as the primary interface doesn't seem like it belongs in a car with the primary selling point of protecting the people inside it. Yet, after just a couple hours of familiarizing myself with Volvo's new and much-improved interface ...


4

Cost-effective structural integrity The full depth step provides the hinge point for both sides of the ladder as well as rigidity to prevent twisting at those hinges when the user approaches the top. The only type of brace that would provide the same rigidity would require cross braces and could still function as a step for those determined to hurt ...


4

You can't design a sign that stops people from doing that, you would need something physical which makes it impossible to enter the rails, just like in cities like singapur, where a gate is placed in front of the rails which only opens when the train opened it doors so people can enter. What you can do is place something like a printed line 1 meter before ...


4

Sometimes bad design is just what it seems The triangular yield indicators here are called yield lines (see Wikipedia, DOT specifications and this article on when and how they can be used) and their appearance in a single-car lane is probably the result of bad design. They are intended to mark a position on the road where drivers should yield to other ...


4

There's also another conversation to be had, because there's irresponsibility of the user "during" using our app; irresponsibility of the user "using" our app; or irresponsibility of the app itself. That is, the user may be driving while using our app (irresponsible, but unrelated to the app), OR the user may be posting nude pictures with the app (...


3

Regarding what users know and should do, it is a matter of needs and desires vs. awareness, e.g. User may think that something like that can not happen to him/her User may experience some urgency which causes him/her to overlook common sense User may have to change plans while driving and not find somewhere to stop For these reasons and others, counting on ...


2

Regarding saving as-you-go, I would follow the Google way, just informing user that "All changes are saved in Drive.". However - there is one kind of actions that I would add "save" to, so that it would make users more comfortable. I assume that the question "Is my document (or: whatever else) saved?" is asked by the user whenever s/he tends to leave it - ...


2

One good example I could think of was the laptop battery removal mechanism for some older models of heavy duty laptops. So, back in the days laptop used to hang a lot (heck, who am I kidding, windows laptop still do) so I had this laptop with a heavy battery which you need to remove to completely cut off the power. There were two slide button at both ...


2

Always the downloads page on the official website. This is so that your users can trust you that the executable comes from a dependable source. If it's available on app stores, also add links to all the supported platforms' app stores, on the page of the app.


2

If you're sharing the link to someone else's software, you should ask the author of the software product for guidance. Most authors would prefer you to link to a download page rather than the binary itself (usually for advertisement purposes). If the binary depends on the platform, point to the download page. In your question, the second link would be ...


2

Basically it's a much smaller surface area to grip, and many shoes don't follow the surface well. The actual material is often reasonably grippy. It can even be grippier than the surrounding area, at least if not too worn. But moulded concrete (as some of them are) can also be less grippy than asphalt. Combined with the loss of contact area this can may a ...


2

I agree with Mani kv, however the full answer was hidden in Mercedes S-Class that has already got the Active Break Assist. Video can be seen here. ABA vs Human (source) Most drivers, under normal braking conditions as well as under emergency conditions, start out with little brake pressure and whenever necessary they will increase their pedal effort. In ...


1

In my view, I think its a good UX, since from the user's perspective he/she expects the car to behave that way. For instance if I put my car in autopilot, I want the car to take decisions for me and only notify me for some critical decisions or interventions. Since slowing down car is relatively common while driving, this can be perceived as annoying/non-...


1

In a review of the safety of in-car displays it is concluded: The empirical results illustrate that the visual design of in-car displays can have a significant impact on the potential for visual distraction. Task length and the spatial separation between interaction elements, especially those encoded sequentially, arise as two of the critical ...


1

It's the story which affects all kinds of defective design: No one thought to consider 'wider issues' in the design ( eg the design was focussed on the problems they thought they had, but never considered other issues which weren't 'in the spec' ) No one tested it thoughly ( and that would need to have been a long term test to see how it stood up to ...


1

You might enjoy this article from the New York Auto Show, showing all of the touch screen consoles on display that week. What's clear from the variety of approaches to touch screen consoles is that there is no coherent, consistent approach. There are no established industry-wide UX best-practices. This leads me to think only very limited UX testing is ...


1

I have various devices where the screw is an ADDITIONAL securing method. In an all adult household you then just leave the screw out.


1

If you delete content and find out that the user was banned in error you may find it hard to revoke that ban. If you don't have an audit trail you may also have problems if the user starts legal action against the service. So blocking the account may be safer than deleting it. (If the banned content is possibly illegal then you need proper advice from ...


1

This depends a lot on context. Is this software something that is required to complete an ongoing process? Is this software something that's not vital but good to have? Does the software require complex system setup rules? Does the software operate on it's own or does it require user intervention? There are plenty more questions like this that you need ...


1

I don't know if the same logic applies, but back in high school, and speaking of wood ladders, we were always told to avoid steps that were below the knee line, since your knees won't fold to front (hence reducing the risk to fall forward) and you would have a handle in case you fall backwards. However, wood ladders usually don't have this top step, so I ...


1

It's a cultural difference for a stop sign, in Europe and many countries in Asia and South America (and for what I saw, some parts of Noth America), it's a clear reference and everybody knows what it means. From a significance meaning, it's supposed to be a path that opens to give way (in Europe is popularly known as "a knife that will damage your tires" ...


1

Thinking about cases when this appears. It seems like it's about... Automatic continuous process in background replacing former manual action What can be this? Saving, syncing, uploading batches to server? While saving is pretty small action and some were brave here and removed the save button, the other are considered as larger and less reliable, but maybe ...


1

There's two issues here, in my opinion - which is based on my previous (dreaming of) riding leopards in caves ;-). Either we talk about a clear statement of consequences, like pregnant smoking. The important point here is to be factual - this will be a point to debate. If an app (or web site, or any other product) can lead to damage, this must be conveyed ...


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