ALP Speed Limit is going to cost me a ticket (2 Viewers)

edconline

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Ok, I know the requirement for GPS with the TX heads has been discussed to death, so I’m not going to repeat all that and demand they remove the requirement for it. (Even though we have demonstrated how laughably easy it is to defeat, so really what’s the point. Still...)

However, the speed limit (30km/h) for it to enter defence mode DOES need to be addressed. Twice over the past week, I was entering a 30km/h zone and got tagged by photo LIDAR. I was accelerating as I entered, but got tagged before I had hit 30. So what happened is, it was IPT and they had my speed locked as I hit 38-40 before jamming on the brakes.

Realize that it takes less than half a second for the car to get from 28 (below the threshold) to 40 or 45 (well into ticketing threshold, especially for photo). By the time you hear the alert, and switch from throttle to brake, you’ve earned a ticket. This is a huge problem, because as testing has shown, if you get hit below the threshold, the system will NOT arm until after that engagement, even if you’ve exceeded the minimum speed during that encounter.

Edmonton is considering making tons of residential areas 30km/h, and more school zones too. This issue is only going to become more of a problem. If AL insists on keeping this system in place for their previously stated reasons, they MUST lower the arm speed to 15km/h. If I get a couple tickets in the mail over this design flaw, after spending thousands and thousands over the years to keep my system current with AL hardware, I’ll be looking at them to cover the costs without question.
 

Dukes

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Yea I agree. The city turned any road near a green patch into a 30 kph "school zone" between the hours of 07:30-21:00 hrs. I've found myself in the exact scenario described above and would agree it should be lowered to 15 kph.


"In a closer 7-6 count, councillors voted in favour to reduce the speed limit in central Edmonton residential roads to 30 km/h."


@BestRadarDetectors
 
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System

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15 km/h would be nice. All the residential here is 30 km/h and decently enforced. Hopefully they see this and change it to a lower limit. I've been worried about this exact scenario since I installed my TX sensors
 

sdrawkcaB

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I have a 15mph zone near by where they use LIDAR, and take 120 foot shots. (30kph = 18mph) so the same thing can easily happen to me. I agree, I hate the 30kph limit.
 

BaileyAB

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I ll pass the word to Ivana from AL and see what can be done so both sides are satisfied.
 

themapster00

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Agreed it should be lowered. I trust the accelerating into the 30km/h was not intentional to force the ALP into Jamming mode!? Otherwise playing with fire typically gets you burned!
 

edconline

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Agreed it should be lowered. I trust the accelerating into the 30km/h was not intentional to force the ALP into Jamming mode!? Otherwise playing with fire typically gets you burned!
Correct. Had I seen the threat at all, I’d have been under 30 the whole time and left it in detection only intentionally.
 

Holla

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I agree too with what you are saying--BUT you say its so laughably easy it is to defeat, so why Have not you just done this and you would always be OK?
 

edconline

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I agree too with what you are saying--BUT you say its so laughably easy it is to defeat, so why Have not you just done this and you would always be OK?
Because the way it is defeated is something that has to be repeated every time the system powers on, and would get annoying fast. Plus using a workaround to solve a serious design/implementation flaw is not a feasible solution.
 

Eaguar

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I would like if it was reduced to 15km/h, but I’ll really only be satisfied if the limit is removed completely. It was a pain in the ass having to restart my system every time I wanted to change profiles for a while there when the firmware bug existed causing the TX sensors to be disabled. Now that that is fixed I still have to be careful around the 30km/h zones here because of the reasons you stated. It’s annoying to say the least.

I promise that I won’t even complain that I wasted $100cdn on my GPS antenna if the limit is removed.
 

Saussie

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Hmmm.... Good to know.
I prefer the non GPS idea. ALP is either on or off.
One more variable of failure. I've had gps navigators fail on cloudy days as they can't get a location. I wouldn't be putting 100% faith in gps myself of any kind. Accuracy varies too.
That said, I can't speak from experience with gps.
I just figure if it's hard wired electrically, and the powers flowing, it should work. Bluetooth I'd venture into as I can easily see if it's working or not and adjust myself.
A satalite in the sky... Well... I can't exactly check if it's working or glitching all the time. Kind of just get what we are given from space at any time. If a cloud can mess it up, it's not full proof. Just my 2cents...
Good thread though!
 
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STS134

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Hmmm.... Good to know.
I prefer the non GPS idea. ALP is either on or off.
One more variable of failure.
No crap. I've said it again and again and again and that's just the stuff I've said in the public sections of the forum.

And with the rise of Tesla nowadays, cars that go 0-60 in 2.8s are getting very popular too.
 
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user

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I know this is going to cause me some backlash. But can you explain the reason behind this to me? To me, whatever the speed limits are in school and residential streets, they should be followed. The speed limit on both residential streets and in school zones are the two areas should be adhered to, IMHO. First, the school zone is obvious. It is for kids safety. Kids just don’t watch closely at all. In residential areas, again it is for kids, animals and old people’s safety. It is a big deal. People complain more about speeding in those two areas than any other. More speeding in those areas results in: 1. More police radar and lidar use. 2. Lower speed limits because of complaints ( i am not saying lower speed limits fix anything, just that that is the answer that politicians make for complaints). In our neighborhood meetings, they have the police come in once in a while. The overwhelming majority of comments to the police are about speeding in the residential and school zones. Not about speeding on the higher limit roads or the freeways. I never hear complaints about that. Always about the residential areas. And after every one of those meetings we will have radar and lidar traps to appease the complainers. So, more speeding there will just result in a lot more enforcement. Police will work those areas until the complaints stop, then they will move to the highways where they can write more tickets. I think they would rather be on the highways but traffic enforcement is complaint driven. So anyway, not jumping on anyone, i just think the psl in those areas should be followed because it is a safety area and it just brings the police down on us big time in those area. I understand that running school zones from 7am to 9 pm, is all kinds of stupid and over reach. It should never be allowed beyond school hours. Help me understand better if I am misunderstanding what the complaint is. Again, i know some of you will jump all over me for this, but it really seems like this interest posted in this thread is really counterproductive because it will really bring the attention down on speeding and on using countermeasures and could cause us alot of problems. Kind if like waving a red flag in front of the bull that is radar and lidar enforcement.
 
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oldcelt

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edconline

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I know this is going to cause me some backlash. But can you explain the reason behind this to me? To me, whatever the speed limits are in school and residential streets, they should be followed. The speed limit on both residential streets and in school zones are the two areas should be adhered to, IMHO. First, the school zone is obvious. It is for kids safety. Kids just don’t watch closely at all. In residential areas, again it is for kids, animals and old people’s safety. It is a big deal. People complain more about speeding in those two areas than any other. More speeding in those areas results in: 1. More police radar and lidar use. 2. Lower speed limits because of complaints ( i am not saying lower speed limits fix anything, just that that is the answer that politicians make for complaints). In our neighborhood meetings, they have the police come in once in a while. The overwhelming majority of comments to the police are about speeding in the residential and school zones. Not about speeding on the higher limit roads or the freeways. I never hear complaints about that. Always about the residential areas. And after every one of those meetings we will have radar and lidar traps to appease the complainers. So, more speeding there will just result in a lot more enforcement. Police will work those areas until the complaints stop, then they will move to the highways where they can write more tickets. I think they would rather be on the highways but traffic enforcement is complaint driven. So anyway, not jumping on anyone, i just think the psl in those areas should be followed because it is a safety area and it just brings the police down on us big time in those area. I understand that running school zones from 7am to 9 pm, is all kinds of stupid and over reach. It should never be allowed beyond school hours. Help me understand better if I am misunderstanding what the complaint is. Again, i know some of you will jump all over me for this, but it really seems like this interest posted in this thread is really counterproductive because it will really bring the attention down on speeding and on using countermeasures and could cause us alot of problems. Kind if like waving a red flag in front of the bull that is radar and lidar enforcement.
They don’t just put them in school zones, they do them outside parks too. Parks where no one play’s in for 8 months of the year because it’s -40. Some of the school zone ones aren’t time restricted either, it’s 24 hours. So at 3AM, it’s still a 30 zone.

I don’t dodge kids at recess careening down the street. I also don’t blindly follow whatever speed limit some ignorant town councillor approved for a given road. I use my judgement given the area, time of day/year, traffic, etc and do the speed that I want to - and is appropriate.

As an intelligent person, (far more intelligent than the people coming up with the speed limits, I promise you that), I decide how fast I drive and when/where. Which is the whole reason I got CM’s in the first place.
 

Dukes

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They don’t just put them in school zones, they do them outside parks too. Parks where no one play’s in for 8 months of the year because it’s -40. Some of the school zone ones aren’t time restricted either, it’s 24 hours. So at 3AM, it’s still a 30 zone.

I don’t dodge kids at recess careening down the street. I also don’t blindly follow whatever speed limit some ignorant town councillor approved for a given road. I use my judgement given the area, time of day/year, traffic, etc and do the speed that I want to - and is appropriate.

As an intelligent person, (far more intelligent than the people coming up with the speed limits, I promise you that), I decide how fast I drive and when/where. Which is the whole reason I got CM’s in the first place.
Not to mention that photo radar/lidar does absolutely nothing for safety. If it was really about safety, they would stick an actual LEO there so they could change behavior. Getting a ticket two weeks later under the guise of "safety" is a complete joke. I throw them in the garbage and just pay them when I renew my vehicle registration.
 

Delaney

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Not to mention that photo radar/lidar does absolutely nothing for safety.
Exactly. The image below is of a favourite photo radar (DragonCam) setup here. The yellow lines mark the start and end of the school zone. They park on a side street in the zone (Camera icon) and then use DragonCam to get rear shots of vehicles travelling northbound on 62 just as they are leaving the school zone and accelerating to get up the overpass to go over the tracks. Tell me that's about safety.

DragonCam.JPG
 
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Transporter

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If I am not mistaken, shouldn’t it already have gone Blue at 29Kph which is over 18MPH or are those just approximations in the ALP profiles?

I could see 20 or 25Kph, but 15 IE 9MPH?

Besides, does one need to be speeding in a school zone or residential area? How much time is going to be saved or extra miles traveled within an hour in a 30Kph zone?
.
 

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