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TB303 Occasional Visitor
Joined: Sep 08, 2007 Posts: 16
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Posted: Fri Mar 07, 2008 8:21 am Post subject: No Cameras on the M4?? |
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Hi people,
Yesterday I drove London to bath and return on the M4 at "reasonable speed". On my TomTom I had the latest version of the database - downloaded the previous evening.
on Dosen of accourances, both on the way to bath and back, the TomTom warned my of cameras (especially around bridges over the road) - yet there were no cameras there... Both me and the passenger looked in the mirrors and the nly thing we could see was the remains of "metal arms" that probably held those cameras there.
Do they remove speed cameras? Do you guys then remove them from the database?
Please advise,
Thanks! |
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SimonCatlin Frequent Visitor
Joined: Jan 11, 2004 Posts: 565 Location: London
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Posted: Fri Mar 07, 2008 9:03 am Post subject: |
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The PGPSW database has lots of mobile cameras in it. i.e. the ones where a van pulls up on a bridge and scans the trafic below looking for us "driving safely, but at speed" vehicles.
You do not make reference to which form of database you have (Tomtom or PGPSW), nor do you make reference to which type of files you are using if you have the PGPSW, e.g. singular etc. so I cannot advise further. _________________ iPhone5, TomTom, Google maps, Navfree, Viewranger and Apple Maps (ekk) |
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TB303 Occasional Visitor
Joined: Sep 08, 2007 Posts: 16
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Posted: Fri Mar 07, 2008 9:13 am Post subject: |
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Hi,
I am using the single consolidated file (TomTom Ov2) and the icons were for stationary cameras, not mobile ones.
I hope that helps,
Thanks, |
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PaulB2005 Pocket GPS Moderator
Joined: Jan 04, 2006 Posts: 9323 Location: Durham, UK
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Posted: Fri Mar 07, 2008 9:22 am Post subject: |
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Where the metal arms hanging off the bridge? Did they look like this...
If so they are Traffic Master sensors that monitor traffic flow. The Variable Cameras on the M42 and M25 are mounted on the back of gantries but none on bridges.
Quote: | I am using the single consolidated file (TomTom Ov2) and the icons were for stationary cameras, not mobile ones. |
Can you clarify if that is the Consolidated database or the Single File one? There is no Single Consolidated one....
Can you give us approximate locations of these cameras?
Finally did you have the latest database (15th Feb 2008) loaded? |
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GPS_fan Pocket GPS Moderator
Joined: Jan 04, 2007 Posts: 2789 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 9:38 am Post subject: |
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There are quite a few mobile camera locations along the M4, particularly between Reading and Swindon.
Since mobile cameras are used rather then fixed cameras, these will typically be a van parked on a bridge above the motoroway - hence your warnings near bridges.
Also, because mobile cameras are used, these may not be in position when you pass a location - unlike a fixed camera which is always there.
I've just visited the speed camera page of this site and scrolled along the M4 and the mobile locations which I saw have all been verified and are therefore 'valid'.
In addition to this, there are new SPECS cameras which are showing as being added since the last update.
Does this help? _________________ Andy
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TB303 Occasional Visitor
Joined: Sep 08, 2007 Posts: 16
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Posted: Fri Mar 07, 2008 9:41 am Post subject: |
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Thanks,
First of all what I refered to was exactly like the picture posted.
I have the single file which infact contains two seperate ov2 files - sc.ove and pmobile.ov2
I definily had the latest dataase loaded.
Can't confirm exact locations but I would say that certainly MOST of the cameras who appeared on the tomtom on the M4 - weren't there.
Many thanks, |
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Darren Frequent Visitor
Joined: 11/07/2002 14:36:40 Posts: 23848 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 9:41 am Post subject: |
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What you are observing is warnings for Mobile Cameras. As you chose to use the Single File version of the database which does not differentiate between camera types, you will not have realised this.
If you switch to either of the other types you will see the Icon reflects the camera type and if you use our voice warnings you will also hear it i.e. 'Warning, Mobile Camera Ahead, Speed Limit 70 miles per hour' or 'Warning Gatso Ahead, Speed Limit 50 miles per hour' etc _________________ Darren Griffin |
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Darren Frequent Visitor
Joined: 11/07/2002 14:36:40 Posts: 23848 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 9:47 am Post subject: |
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TB303 wrote: | Thanks,
First of all what I refered to was exactly like the picture posted.
I have the single file which infact contains two seperate ov2 files - sc.ove and pmobile.ov2
I definily had the latest dataase loaded.
Can't confirm exact locations but I would say that certainly MOST of the cameras who appeared on the tomtom on the M4 - weren't there.
Many thanks, |
The existence of Traffic Master sensors is immaterial as they hang off bridges on motorways and the M4 is one of only a few M-ways were safety camera vans operate frequently. Were these at the Western End of the English stretch? i.e. Wiltshire, Swindon area?
Almost certainly Mobile locations which by their nature are locations where vans 'may' operate.
Switch to the Consolidated or Speed Zoned version of our database for a much better and more informative experience and grab the real voice alerts whilst you're at it _________________ Darren Griffin |
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TB303 Occasional Visitor
Joined: Sep 08, 2007 Posts: 16
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Posted: Fri Mar 07, 2008 10:03 am Post subject: |
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Thanks,
Maybe I will...
Was too lazy to bother figuring it out... What is Gatso anyway?
Thanks, |
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GPS_fan Pocket GPS Moderator
Joined: Jan 04, 2007 Posts: 2789 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 10:14 am Post subject: |
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Gatso is the traditional fixed camera which takes a picture of the REAR of your car
Truvelo takes a picture of the FRONT of your car
SPECS measures your average speed
Monitron/Redspeed clocks you if you jump a red light and also doubles up as a speed camera (hence the name Redspeed)
_________________ Andy
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PaulB2005 Pocket GPS Moderator
Joined: Jan 04, 2006 Posts: 9323 Location: Durham, UK
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Posted: Fri Mar 07, 2008 10:14 am Post subject: |
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Gatso - have a read on the download page right near the bottom. |
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Daggers Lifetime Member
Joined: Jun 20, 2005 Posts: 1096 Location: Solihull, UK
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Posted: Fri Mar 07, 2008 11:50 am Post subject: |
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Truvelo can take a photo of either the FRONT or the REAR of the car - and you don't necessarily know how it's set up until the letter drops onto your doormat.
GPS_fan wrote: | ]
Truvelo takes a picture of the FRONT of your car
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GPS_fan Pocket GPS Moderator
Joined: Jan 04, 2007 Posts: 2789 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 12:30 pm Post subject: |
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Daggers wrote: | Truvelo can take a photo of either the FRONT or the REAR of the car - and you don't necessarily know how it's set up until the letter drops onto your doormat. |
True!
There's a reversible Truvelo right on my doorstep with both Truvelo and Gatso road markings.
However, with the question as it was ("what's a Gatso"), I was trying to give as simple an answer as possible without causing unecessary confusion by giving an extended reply _________________ Andy
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DennisN Tired Old Man
Joined: Feb 27, 2006 Posts: 14901 Location: Keynsham
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Posted: Fri Mar 07, 2008 8:22 pm Post subject: |
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As a regular along the M4, I can tell you that there are five pairs of overbridge cameras between Junctions 15 and 17. During the last month I've seen four of them actually leering at me (probably angrily, 'coz I'm a nice decent whitevanman who doesn't speed).
Can I just add, that every time I see any mobile camera at work, I always submit it, just like MaFt requested, even though it's already in the database - he really needs to get that sort of report, so that he can mark them as definitely live and kicking. For example, your first post might have recommended that the "missing" cameras should be removed because you didn't see anything - we get a lot of that. Because MaFt has my (and other people's) reports of activity, he can respond that the camera was actually seen by me operating at 12:45pm on 5th March 2008 (Mobiles 14111 and 7033). _________________ Dennis
If it tastes good - it's fattening.
Two of them are obesiting!! |
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GPS_fan Pocket GPS Moderator
Joined: Jan 04, 2007 Posts: 2789 Location: Hampshire, UK
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Posted: Fri Mar 07, 2008 9:07 pm Post subject: |
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You raised a good point there, Dennis, but I think there's been some confusion and OP was possibly expecting fixed cameras at the various locations _________________ Andy
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