DON'T WANT ALERTs FOR RLC NOT ON MY ROUTE

... you should be able to control it with the POILoader alert distance. Not sure how far off the LIE the service road is, though.

Do to inaccuracies of the GPS, it will alert on POIs that are off the route. This is to ensure that it doesn't miss a POI that is on the route. You can convert the CSV file to GPX and enter separate alert distance and speed for each entry, even turn off alerts on some. But that is going to be a lot of work. It might make more sense to just ignore those alerts that you know to be inaccurate, like your radar detector going off on automatic door openers. You could also double check the coordinates of the red light and speed cameras on the service road. They could be off by 20 to 30 feet and that, coupled with the ± 10 to 15 meter error of the GPS, brings the POI within the alert distance.

The red light camera file from here seems to function on a radius about the coordinates rather than about 50 feet off the road where the camera is located.

There is no way to solve the problem. It is inherent in the operation of the nuvi.

Proximity alerts do not operate by a radius. They are along a roadway. Proximity POIs up to 50 feet off the center of the roadway on the right or on the left will give an alert. (Some have said up to 98 feet off the roadway.)

Using POI Loader in manual, you can make the proximity alert distance longer or shorter, but it will not change the side distance.

The LIE is a limited-access interstate with continuous service roads. I drive it every day, and several POIs at intersections on the service road are within 50 feet of the center of the roadway. I know because I placed them there in submitting locations for the Red Light Camera file. They are dead-center in the service road intersection because the alert for a RLC must be very accurate.

dobs108

I am curious where on the LIE this is occurring. The bulk of my LIE travel is either Queens to Glen Cove Road or 106/107 to 135. I have noticed accuracy issues with the Nuvi where it thinks I am riding on the LIE while I am actually on the service road near South Oyster Bay Road and Robbins Lane. However, I cannot recall ever seeing the opposite where it thinks I am on the service road when I am on the LIE.

You could omit the sound file(ding or dong if so) or use 1 sec of silence
sound file and get a visual alert only.

your choice...

I'm not familiar with the area, Is the LIE and elevated roadway over existing streets?

If that is the case as it is in areas of Miami the alert will sound even if you set it for a shorter distance, the culprit is not horizontal distance but vertical distance, you may be going over RLC below.

I have the same issue with many roads in Chicago, but I would rather have the problem of getting warned too much than not enough. It goes off for intersections above/below with red light cameras even if I am not actually on the road with the camera. But not getting warned would be the real problem, so it's a small annoyance.

I get several that alert when on the LIE, mostly in western Queens. I don't think I've had any alert in Nassau or Suffolk - and without looking, I don't know that any in N/S are close enough in any case.

There is always pros and cons so depend how it fit you. Uncheck the box in the POI then no warning but leave it on too much warning. How can one win?

In different locations, the interstate is elevated above or in a cut below the service roads. However, no POI location is directly above or below the interstate. The culprit is horizontal distance only.

dobs108

Depending on which lane you are in, this effect might happen at these locations:

Express & Wheeler (rt. 111)

Deer Park & Service (rt. 231)

Commack & Long Island Expressway (Commack Road)

Express & Motor (exit 57 Islandia)

Express & Motor s2 (exit 57 Islandia)

These are for example. I am sure there are other locations.

The nuvi does not think you are on the service road. It is just that your lane in the main road is within 50 feet horizontally of the POI on the service road.

dobs108

And how about the Grand Central Parkway east of the Triboro Bridge - with the same construction as the LIE. At many intersections the service roads are horizontally close to the depressed roadway.

dobs108

I moved the markers for these sites a bit farther away from the expressway. They should still be in range for the service road and may reduce some of the alerts from the expressway.

These changes will be included this week in the files published on Wednesday.

Jonathan (aka JM)

We appreciate that, JM, but most of us consider this to be very minor. It is a long road, and this doesn't happen often.

dobs108

Theres one near me that dongs ocasionly, at first I thought it was just the GPS because it would not always do it. Then it did it with all three, its just one of those funny things. I don't know if its weather, satalites or exactly where I am on the road, but it only does it once in awhile.

I'd rather hear an extra beep then not one at all. After while ones that I pass frequently it gets so I don't really hear them anymore but I know they are there, but if I hear a beep where I hadn't before my eyes open a little wider.
.

I really wasn't trying to make trouble. I do appreciate the work people are doing compiling the data and creating the poi.

Maybe nuvi won't do exactly what I'm asking. IF nuvi knows I'm on a particular road (LIE in this case) I don't need a warning for a camera on a different road (service road in this case). I was wondering if I was missing a setting on the nuvi to limit alerts to cameras on the actual road I'm on.

My first GPS was the Garmin IQ 3600. I used an external antenna on the roof. The unit used WAAS. I think the combination resulted in greater accuracy.

I guess false alarms makes sense, if the positioning of my car on the main road as opposed to the service road is suspect.

I got a lot of alarms along the LIE, and some roads upstate. A PP got some of them.

My question isn't if the issue is minor but rather if it's easily correctable. I appreciate the poster who's "tweaking" some of the distances. I guess there isn't a universal solution of limiting the alters to the road I'm driving on.

He isn't just a poster - he is POI Factory! See his moderator badge?

dobs108

That is not making trouble you just didn't know how the RLC alert works

The Nuvi is doing exactly what you are asking, the alert may go off at times if the other road is near to the one you are on.

If the service road runs parallel do the road you are on and the distance is small the RLC will trigger because the default distance is 1320 feet, also if the road you are on is elevated over another road and there is an RLC on the road below it will also trigger because of vertical distance is less that the alert was programmed.

IMO it is a minor issue as long as you are aware of the alert limitations

I downloaded the updated file. I'm no longer getting the false alarms on 495 in Suffolk. Still getting a couple in Queens but the service road is pretty close to the main road. It might not make sense to make an adjustment.

Thanks for your help.

Thanks for reporting back. It helps everyone who reads these posts to know the problem is solved.

dobs108