Anyone (esp UK) get poor results from TMC?
05-31-2006, 06:18 AM
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My Ride: 05 530d M Sport Saloon; Auto; Silver Grey; Navigation System Professional; Sun Protection Glass; M Rear Spoiler; No Model Inscription; Bluetooth Telephone Preparation; BMW 6 Disc CD Changer
Does anyone (especially in the UK) notice that the TMC information is very random and inaccurate?
On three occassions recently, I've driven on very popular roads (M25, M3, M11) only to hit very heavy and standstill traffic. Each time the TMC hasn't given me any warning of the problem and - even more anoyingly - it would tell me that there was heavy traffic at my current possition (only once I was stuck), and the next juntion onwards is clear. This pattern would continue as I moved from junction to junction in the heavy traffic.
I understand that the TMC is only as good as the information it's given, but the last time this happened, I switched on the RDS announcements and every broadcast told me of the problem. Last Friday for example, the RDS announcement said there were problems from M25/M1 round to the M25/M3 and yet there was nothing on the TMC.
Is this a fault with TMC, or my car?
TIA
On three occassions recently, I've driven on very popular roads (M25, M3, M11) only to hit very heavy and standstill traffic. Each time the TMC hasn't given me any warning of the problem and - even more anoyingly - it would tell me that there was heavy traffic at my current possition (only once I was stuck), and the next juntion onwards is clear. This pattern would continue as I moved from junction to junction in the heavy traffic.
I understand that the TMC is only as good as the information it's given, but the last time this happened, I switched on the RDS announcements and every broadcast told me of the problem. Last Friday for example, the RDS announcement said there were problems from M25/M1 round to the M25/M3 and yet there was nothing on the TMC.
Is this a fault with TMC, or my car?
TIA
05-31-2006, 07:12 AM
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Its just the way it works. It sometimes updates just a little too late.
Ive also found that ill drive into traffic and then about 10minutes after sitting there itll go 'oh dear there seems to be a problem on this road!'
while i just look at it and think 'no shit'.
It has been very useful long distance stuff tho so get it checked out by dealer. I take it you get your TMC from classic fm?
Ive also found that ill drive into traffic and then about 10minutes after sitting there itll go 'oh dear there seems to be a problem on this road!'
while i just look at it and think 'no shit'.
It has been very useful long distance stuff tho so get it checked out by dealer. I take it you get your TMC from classic fm?
05-31-2006, 07:24 AM
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Originally Posted by JayJay' post='290372' date='May 31 2006, 04:12 PM
Its just the way it works. It sometimes updates just a little too late.
Ive also found that ill drive into traffic and then about 10minutes after sitting there itll go 'oh dear there seems to be a problem on this road!'
while i just look at it and think 'no shit'.
It has been very useful long distance stuff tho so get it checked out by dealer. I take it you get your TMC from classic fm?
Ive also found that ill drive into traffic and then about 10minutes after sitting there itll go 'oh dear there seems to be a problem on this road!'
while i just look at it and think 'no shit'.
It has been very useful long distance stuff tho so get it checked out by dealer. I take it you get your TMC from classic fm?
05-31-2006, 01:15 PM
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I find it works well on the whole and yes I know what you mean when you say you get to the problem area and the traffic is clear, however I think it has to rely on info from a central source same as RAC etc. 
06-02-2006, 12:55 PM
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Originally Posted by groovemasterj' post='290334' date='May 31 2006, 03:18 PM
Does anyone (especially in the UK) notice that the TMC information is very random and inaccurate?
On three occassions recently, I've driven on very popular roads (M25, M3, M11) only to hit very heavy and standstill traffic. Each time the TMC hasn't given me any warning of the problem and - even more anoyingly - it would tell me that there was heavy traffic at my current possition (only once I was stuck), and the next juntion onwards is clear. This pattern would continue as I moved from junction to junction in the heavy traffic.
I understand that the TMC is only as good as the information it's given, but the last time this happened, I switched on the RDS announcements and every broadcast told me of the problem. Last Friday for example, the RDS announcement said there were problems from M25/M1 round to the M25/M3 and yet there was nothing on the TMC.
Is this a fault with TMC, or my car?
TIA
On three occassions recently, I've driven on very popular roads (M25, M3, M11) only to hit very heavy and standstill traffic. Each time the TMC hasn't given me any warning of the problem and - even more anoyingly - it would tell me that there was heavy traffic at my current possition (only once I was stuck), and the next juntion onwards is clear. This pattern would continue as I moved from junction to junction in the heavy traffic.
I understand that the TMC is only as good as the information it's given, but the last time this happened, I switched on the RDS announcements and every broadcast told me of the problem. Last Friday for example, the RDS announcement said there were problems from M25/M1 round to the M25/M3 and yet there was nothing on the TMC.
Is this a fault with TMC, or my car?
TIA
06-03-2006, 04:28 AM
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That's the problem. As said before TMC takes the info from radio stations. Back in Germany, where the cars are built, there are literally hundreds of stations distributing travel info with a TMC signal, plus announce them on air.
Unfortunately in the UK this system seems to have never been popular, hence it not working as good.
Unfortunately in the UK this system seems to have never been popular, hence it not working as good.
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