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Traffic on roads consists of road users including pedestrians, ridden or herded animals, vehicles, streetcars, buses and other conveyances, either singly or together, while using the public way for purposes of travel.
Traffic laws are the laws which govern traffic and regulate vehicles, while rules of the road are both the laws and the informal rules that may have developed over time to facilitate the orderly and timely flow of traffic. Organized traffic generally has well-established priorities, lanes, right-of-way, and traffic control at intersections.
Traffic is formally organized in many jurisdictions, with marked lanes, junctions, intersections, interchanges, traffic signals, or signs. Traffic is often classified by type: heavy motor vehicle (e.g., car, truck), other vehicle (e.g., moped, bicycle), and pedestrian. Different classes may share speed limits and easement, or may be segregated. Some jurisdictions may have very detailed and complex rules of the road while others rely more on drivers' common sense and willingness to cooperate.
Organization typically produces a better combination of travel safety and efficiency. Events which disrupt the flow and may cause traffic to degenerate into a disorganized mess include road construction, collisions, and debris in the roadway. On particularly busy freeways, a minor disruption may persist in a phenomenon known as traffic waves. A complete breakdown of organization may result in traffic congestion and gridlock. Simulations of organized traffic frequently involve queuing theory, stochastic processes and equations of mathematical physics applied to traffic flow.

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  1. J

    Traffic offense from 11 years ago resulting in 6-month suspension - HELP!!

    On the 1st of August 2013, I was driving my vehicle when I was stopped by police and fined for using a handheld mobile phone while operating a motor vehicle resulting in a fine. More than 10 years on I have recently learned that I was two months shy of finishing my 12-month good behaviour...
  2. J

    NSW Traffic Accident! - Hunter Valley

    I was involved in a head on collision and my Motorhome was written off. The other car came straight into my lane. Police said he was to blame, he has been fined and a Police Report has been written up. My Van is Insured for an agreed value of $66,000, although for me to get an equal replacement...
  3. P

    WA corrupt magistrates

    Hi, I can prove that a magistrate is corrupt in W.A. I now suspect that they all are corrupt and will always go with the police if you challenge a traffic matter before a magistrate. The traffic matter is this; Returning from Perth to Kalgoorlie I came to a corner where the traffic was being...
  4. H

    WA Traffic accident

    My son was at fault when he hit another car from behind and it was a write off. Now the owner of that car has messaged my son saying she's a single mother and that her car was an older model and market value insured and that she wants compensation. She has also started calling his work and...
  5. S

    Federal vs Council traffic dilemma

    Federal office with no parking, employee directed me to a street park in front of their building. A traffic sign changed the street from parking to no parking during the meeting, I returned to find council had left me a little something on my windscreen. This is the same council I have spent...
  6. B

    VIC Traffic Infridgement

    Hi, I received a txt advising I had a speeding infringement registered 20 April 2019. I have received an extension to deal with this from the magistrates court yesterday however since the fine was so long ago is it outside of the statute of limitations ?
  7. B

    VIC How long do traffic fines stay active?

    I just heard on the tv tonight that thousands of traffic fines have become non valid due to some computer system bungle. They also said that fines older than 5 years are automatically written off. Just wondering if that's correct information. Thanks.
  8. C

    WA Traffic infringement

    Is it illegal to pay some one else infringement notice. i was driving my dad's car and i got a ticket for speeding (speed camera) and when i got my ticket it was under my dad name but he paid my infringement, is this illegal ?
  9. T

    Question about blood specimen testing & how long prosecution can take to deliver as evidence

    Firstly, I made some very poor judgement. I was using my phone and crashed into a sign on a traffic island on February 6th. When police attended, they asked for an explanation and I was honest in my response: I was reading a message on my phone. They breath tested me and I blew under the .05...
  10. Dave_

    QLD Vitronic Speed Camera </= 4 lanes of traffic

    Hi, I have a speeding fine in Queensland from a vehicle mounted Vitronic Laser camera. I have looked on the manufacturers web site and it says it can monitor less than or equal to 4 lanes of traffic. The van was on the other side of the road, between us was 2m of grass, 2 lanes of traffic...