39 in 30, but not sure about evidence |
39 in 30, but not sure about evidence |
Wed, 17 Oct 2018 - 10:24
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#1
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New Member Group: Members Posts: 3 Joined: 17 Oct 2018 Member No.: 100,440 |
Hey,
I was caught speeding, which I'd usually fully admit to, but this time I'm very surprised I would do it at this particular place. I asked the police for information about the road markings, so I could see for myself I actually did it, but they won't give me any info before going to court (which I won't do, I'll just accept, unless I'm sure they have it wrong). I move 4 lines from one picture to the next. If they mean 10mph each, then my memory clearly is very wrong. However, at 0.5s between pictures, there should be 17 meters between the first and second picture, which doesn't look right. Any opinions? |
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Wed, 17 Oct 2018 - 10:24
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Wed, 17 Oct 2018 - 10:34
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#2
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Member Group: Members Posts: 1,547 Joined: 17 May 2010 Member No.: 37,614 |
The evidence of your speed is from the camera measurement - the lines on the road are only a secondary check.
They don't automatically mean 10mph per line - To work out your speed you need to know what the spacing between the lines is ? |
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Wed, 17 Oct 2018 - 10:40
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#3
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Member Group: Members Posts: 56,198 Joined: 9 Sep 2003 From: Warwickshire Member No.: 317 |
At 40mph you cover 8.89m in 0.5 seconds, not 17m (which is probably why it doesn't look like 17m!).
Common line spacing is 2m or 5 feet, so circa 4.5 lines in 0.5 seconds on 2m spacing would confirm the speed. -------------------- There is no such thing as a law abiding motorist, just those who have been scammed and those yet to be scammed!
S172's Rookies 1-0 Kent Council PCN's Rookies 1-0 Warwick Rookies 1-0 Birmingham PPC PCN's Rookies 10-0 PPC's |
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Wed, 17 Oct 2018 - 12:06
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#4
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New Member Group: Members Posts: 3 Joined: 17 Oct 2018 Member No.: 100,440 |
At 40mph you cover 8.89m in 0.5 seconds, not 17m (which is probably why it doesn't look like 17m!). Common line spacing is 2m or 5 feet, so circa 4.5 lines in 0.5 seconds on 2m spacing would confirm the speed. In other words, math better. Thanks! So, I remember wrong. Sadly, the difference between 30 and 39 is about 1mm of throttle. :-( At 40mph you cover 8.89m in 0.5 seconds, not 17m (which is probably why it doesn't look like 17m!). Common line spacing is 2m or 5 feet, so circa 4.5 lines in 0.5 seconds on 2m spacing would confirm the speed. From this angle it doesn't look like two meters between them, but I'll go check that place. If it is 5 feet, the actual speed is 26mph, which is what I recall doing. |
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Wed, 17 Oct 2018 - 12:17
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#5
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Member Group: Members Posts: 41,510 Joined: 25 Aug 2011 From: Planet Earth Member No.: 49,223 |
From this angle it doesn't look like two meters between them, but I'll go check that place. If it is 5 feet, the actual speed is 26mph, which is what I recall doing. What's the location? Google Earth is pretty good at confirming the spacing... -------------------- RK=Registered Keeper, OP=Original Poster (You!), CoFP=Conditional Offer of Fixed Penalty, NtK=Notice to Keeper, NtD=Notice to Driver
PoFA=Protection of Freedoms Act, SAC=Safety Awareness Course, NIP=Notice of Intended Prosecution, ADR=Alternative Dispute Resolution PPC=Private Parking Company, LBCCC=Letter Before County Court Claim, PII=Personally Identifiable Information, SAR=Subject Access Request Private Parking - remember, they just want your money and will say almost anything to get it. |
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Wed, 17 Oct 2018 - 12:38
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#6
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New Member Group: Members Posts: 3 Joined: 17 Oct 2018 Member No.: 100,440 |
From this angle it doesn't look like two meters between them, but I'll go check that place. If it is 5 feet, the actual speed is 26mph, which is what I recall doing. What's the location? Google Earth is pretty good at confirming the spacing... Exactly here: https://www.google.com/maps/@50.8389732,-0....3312!8i6656 How do you make it measure? From this angle it doesn't look like two meters between them, but I'll go check that place. If it is 5 feet, the actual speed is 26mph, which is what I recall doing. What's the location? Google Earth is pretty good at confirming the spacing... Exactly here: https://www.google.com/maps/@50.8389732,-0....3312!8i6656 How do you make it measure? Ah, well, I found the tool. And between the big marks, there is exactly 10 meters, with 2m spacing in between. Case closed. At least I now know that I actually did it... :-( |
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Wed, 17 Oct 2018 - 12:45
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#7
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Member Group: Members Posts: 41,510 Joined: 25 Aug 2011 From: Planet Earth Member No.: 49,223 |
Worth checking...
-------------------- RK=Registered Keeper, OP=Original Poster (You!), CoFP=Conditional Offer of Fixed Penalty, NtK=Notice to Keeper, NtD=Notice to Driver
PoFA=Protection of Freedoms Act, SAC=Safety Awareness Course, NIP=Notice of Intended Prosecution, ADR=Alternative Dispute Resolution PPC=Private Parking Company, LBCCC=Letter Before County Court Claim, PII=Personally Identifiable Information, SAR=Subject Access Request Private Parking - remember, they just want your money and will say almost anything to get it. |
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