Motorists travelling across the Sydney Harbour Bridge this morning are experiencing huge delays after a man climbed into the bridge's southern arch. Police and emergency services have closed several lanes as they attempt to communicate with the climber.

If you've ever encountered a "phantom traffic jam" or traffic slowdown that doesn't seem to have an apparent cause, it was probably some jackwagon tailgating somebody. Researchers at MIT found that not only does tailgating not get you anywhere faster, it actually creates traffic jams that shouldn't exist.

If you're planning a big drive over the summer holidays, take heed: double demerits will once again be in full force from 12am tonight (21 December). Here's what you need to know about the rules in each state and territory.

The 2016 Australian Commuting Survey explores how we travel to and from work and the various ways it affects us. This infographic breaks down the chief findings - including our #1 pet peeve while driving and using public transport.

Before you run through a red light because it's been five minutes and come on already, there may be a few ways you can get the light to turn green. This video breaks down how to do it.

Driving (or idling) in bad traffic isn't just a soul sucking use of your precious hours on this earth, it's also rough on your physical well-being. And if you drive with the windows down you'll be exposed to even more pollutants, particularly if you live in a smog-prone area or a part of the country prone to bush fires. But you can mitigate the amount of air pollution around you by activating your car's best creature comfort.

The Easter holiday period is a bad time for road fatalities - so police will be cracking down on motorists in select states and territories. We explain where double demerits apply and the various traffic offences they apply to.

Google Maps is hands-down one of the best navigation apps on Android and iPhone, but considering most of us use it while driving, it's easy to miss some of its features. Whether you're new to Google Maps or a veteran, let's take a look at the best ways to get the most out of it.

If you live less than 50 meteres from a major road, you may be more likely to develop dementia.

That's what that results of a recent study looking at 6.6 million people has found, the first to investigate the link between living close to heavy traffic and the onset of major neurodegenerative diseases.

Petrol prices have dropped significantly in the last three months, a trend that is expected to continue into the Christmas and New Year period, according to the ACCC - who says you should still be shopping around.

Have a horrible, no-good, terrible commute every day? To make things a little easier on yourself, Arduino shield-maker 1Sheeld shows off how to hack a clock to change colour depending on traffic conditions.

As the saying goes, you're not stuck in traffic. You are traffic. Whenever you're on the highway with a thousand other cars crawling along at a snail's pace, you may feel helpless, but there are things you can do to help ease congestion.

Waze announced a new feature today that will allow events planners to enter in upcoming roads closures for things like sporting events and marathons.

iOS: If you've ever turned off your alarm in the morning only to learn later there's a traffic jam or congestion that will make you late for work even though you got up in good time, Snorelax can help. The app uses current and historical traffic data to wake you up early enough to compensate for any travel delays.

Sydney is notorious for traffic congestion, but a handful of other cities around the world are just as bad (or worse). Recently released data shows what traffic is like in major cities around the world. If you're planning a big move or will be driving around during business trips, you'll want to explore the tool to see what your own commute may look like.

Bots tend to get a lot of bad press. And considering that bots tend to be involved in all kinds of malicious internet activity – including devastating DDoS attacks – it isn’t altogether unwarranted. However, the actual story behind bots isn’t quite so one-sided.

Ever wondered where the cheapest petrol or diesel or LPG is around your house or near your work? GasBuddy, a fuel-finding app which has over 15 million active users in the US, is launching today in Australia.

Dear Lifehacker, I received an infringement from the police for not stopping at a Give Way sign which I didn't notice was there. However, I believe another involved driver was at fault. When I attempted to turn right, the other car wasn't there. The only reason they did an emergency stop was because they failed to notice me on the road. The police said I failed to stop and gave me a ticket anyway. Do you think I have a chance to win the appeal?

Depending on who you ask, bicycles are either bona fide vehicles that deserve equal road rights, or a colossal pain in the arse that should be relegated to the footpath. Here's some news that is sure to rile up people in the second camp: police in South Australia have started fining motorists who pass cyclists too closely. Under the new laws, a gap of one metre or less can result in a $347 fine and the loss of two demerit points. We're keen to read your thoughts.