Well I had some more time on my hands and thought I’d throw together a draft page for the UK Wazeopedia on Speed Limits.
I welcome all comments, I might as well start off with one of my own;
Is there reason behind not mapping these :?: I would assume now that speed limits are shown in the App, all segments might as well have a speed limit set to provide a consistent experience to the user.
Just one item I am not 100% sure on.
Under a national speed limit I think it would be two lanes rather than one with a central reservation for 70mph. I always thought one land with a central reservation would be 60mph. Perhaps my thinking however is flawed.
I believe the dual carriageway is generally misunderstood by most, including myself. The definition from gov.uk makes no reference to a minimum number of lanes.
I can confirm (based upon my speed awareness course :mrgreen: ) its not the amount lanes, its the separation.
Also
I am all for ramps with speed limits as if you leaving a road of 30mph and joining a 70mph its good to know earlier
Edit: Also if you choose to have the speed displayed on app all the time just click that to report speed, its quicker and easier than the long way, might be worth adding that to?
I stand corrected - learn something new every day 
But it doesn’t work 
In fact, the bespoke speed limit report doesn’t work whether you access it the short way or the long way.
Either raise a “general error” map issue report, or use this webpage.
The shorter method is mentioned as the second option to report, I’ve tried to make this a little clearer.
The alert box states that SLURs are not shown in WME… though rumour has it they are showing again in some respect in Beta… not that I know for sure…
Not sure who the method of reporting is for but if its a true “idiots” guide you could do with showing/highlighting the first step, eg normal navigation screen and what the speedo and orange button is. I know it sounds daft but it is the first step?
I would have easier way first and then the hard way just so not to scare people off
Looks good though
Ian
That’s a good start, nice work!
I, however, would suggest moving ‘Report a speed limit’ to the bottom of the page, or perhaps to another page entirely. The Wazeopedia is primarily a guide for map editors, with (scant) information for users being provided by Waze Support (example). It’s probably sufficient to say something like “incorrect speed limits can be reported directly from the app, via either the report map issue button, or by a long press on the speedometer”.
This was written before we had done a lot of mapping of speed limits, and before the speedometer feature in the had matured in the app. Experience since then has proved that most roundabouts do have posted speed limits, which makes sense to add. I’m still not so keen on adding speed limits to ramps, especially if it means splitting them. However, I will concede to those with more user experience.
Based on experience as both a driver and an editor, I’m generally in favour of setting speed limits on both roundabouts and ramps.
From the drivers perspective, the speed limit shown in the app frequently lags behind your position on the road. Thus you get used to seeing the speed limit which applied 100 yards or so back, and don’t worry about it. However, if the limit disappears in the app, you immediately think speed limits are not set for the road you are on, and report it. So if roundabout or ramp speed limits are missing, the speed limit tends to disappear while you’re on the next road, leading to a report on that road which causes confusion all round (or will do once Waze stop suppressing speed limit reports, which is already happening in the Beta version of WME).
From the editor’s perspective, one spends a lot of time inching along Streetview eyeballing the road signs. It’s helps future editors (dealing with UR’s or whatever) if you make an effort to get the speed limit change on Waze in exactly the right place. When you get a roundabout, if you can’t see any road signs, this is evidence that the road leaving the roundabout has the same speed limit as the roundabout. Which can be very helpful, but only if someone has recorded the roundabout speed limit.
Was intended to give editors knowledge of where the SLURs come from… a true idiot would definitely need a screenshot of the screen they see 99.5% of the time Waze is running. Now a mute point, see below.
I was generally following the Speed Camera page as a guide to what to include. I have removed the visual guide and added a simple statement. I do think having the ‘report speed limit’ section where it is works better as it then leads onto how to deal with SLURs (yet to be written).
Agreed.
It’s the physical separation between 2 carriageways that defines it - there are lots of examples of dual carriageways with just a single lane in one or both direction.
That means that on a NSL the 70mph limit only starts with the central reservation - an area of painted chevrons does not count. I would therefore encourage all editors to ignore chevrons and to start a dual carriageway with a neat ‘Y’ only where the reservation starts. Example
Though a little off-message, it’s worth pointing out that Waze might be the only way a driver has to determine what their maximum speed should be; particularly when confronted with something like this, which fulfils the DfT guidlines, but could see a driver summonsed to court and the possible loss of their licence if they drove down here at 35 mph . . .
Mike
Surely a speed limit has to be shown on a sign with a red circle (except NSL) so confused by this. Unless the main road the same limit.
I thought anything written on the road was just a reminder nothing more and not enforceable on its own.
It is just a reminder, but with local councils across the country now setting large areas to 20mph it is useful to have these to remind drivers that they are in a 20mph zone.
Many of the London bououghs have introduced borough wide 20mph limits “to improve safety, attractiveness and ambience” covering all roads apart from red routes. In most cases they don’t fit many repeater signs so if you miss the sign at the border then that’s your problem! :evil:
Yep.
At the start of these areas the speed limit sign is shown on a rectangular white background with “20 mph Zone” or somesuch added below - there is no hard-and-fast rule.
Yep.
Nope.
A 20mph Zone (or maybe it’s two adjacent ones) can be bisected by a road with another limit. This has to follow the ‘old’ rules and display small round repeater signs to confirm that the limit still applies.
This doesn’t apply to 20mph Zones. There have to be signs as above when entering the zone, BUT there is no need for conventional repeater signs. It is taken that signs painted on the road are the only repeater signs needed. Indeed, the only sign at all if you are turning off a road with a higher limit traversing a 20mph Zobe. LAs are more-or-less left to make up their own rules. Some use the conventional repeater sins, (errrm signs, but I quite like the idea of repeater sins . . . ) most take the cheaper option of painting them on the road and, as my image shows, not taking the slightest interest in maintaining those legally-enforceable signs.
Indeed. I’m sure that many drivers would think that is the case, but not any more. The signs painted on the road on a red ground are legally enforceable. You do see 20mph repeaters painted directly on the road and I think they might still be regarded as reminders.
So, no and yes. As long as there are the rectangular signs at all entrances to the zone, the “20mph” disk on a red ground across the throat of the road is legally enforceable.
I shall now strive to move everywhere at 20mph, AndyPots2 if it will “improve… (my) …attractiveness and ambience”. Can’t see it working TBH. 
Mike
PS I should have noted those DfT guidelines to quote at you, but it’s a remarkably nebulous document best summed-up as a) Make up your own rules and b) eventually, we want them put everywhere where people live. I could quote Aldous Huxley now, but I’ll just go . . . . . . .