Latest News

Safe System Snippet 480: Crash Angles

Safe System Snippet 480: Crash Angles

Crash outcomes are significantly influenced by the interplay of speed, mass, and crash angle. The angle of impact between vehicles is particularly important in determining the energy transfer to vehicle occupants. Also, vehicles are not uniformly engineered for...

read more
Safe System Snippet 479: Ramp Down Terminals

Safe System Snippet 479: Ramp Down Terminals

Ramp down terminals may prevent barrier ends from spearing into errant vehicles, but they come with a significant risk of vaulting. This can result in serious crash outcomes, including rollovers. It's important to note that ramp down terminals haven’t been tested to...

read more
Safe System Snippet 478: Right Turn Against Motorcyclists

Safe System Snippet 478: Right Turn Against Motorcyclists

One of the most common crash types resulting in motorcycle injuries, particularly in urban areas, is the ‘right turn against’ crash - when a car turns in front of a motorcyclist traveling straight. This crash type also occurs between cars and with cars and cyclists,...

read more
Safe System Snippet 476: Biomechanics of a Cyclist Crash

Safe System Snippet 476: Biomechanics of a Cyclist Crash

Cyclists are among the most vulnerable road users in collisions with motor vehicles. A fascinating study, Accident Reconstruction and Assessment of Cyclist’s Injuries Sustained in Car-to-Bicycle Collision (Raslavičius et al., 2017), digs into the biomechanics of these...

read more
Safe System Snippet 473: Chevron Alignment Markers (CAMS)

Safe System Snippet 473: Chevron Alignment Markers (CAMS)

 Chevron Alignment Markers (CAMs) are one of the most mis-used signs on the public road network. They should only be used on substandard curves. A minimum of three CAMs are required in a series and two CAMs must be visible to a driver/rider at any one time. To...

read more
Safe System Snippet 472: Tailgating Risk and Controls

Safe System Snippet 472: Tailgating Risk and Controls

Tailgating (following too closely behind another vehicle) creates risks beyond just rear-ends. While rear-end crashes are the most common outcome of tailgating, the risks also include:▪️ Run-off-road crashes: A sudden stop or swerve by the lead vehicle can force the...

read more
Safe System Snippet 471: Slip-Based Poles

Safe System Snippet 471: Slip-Based Poles

Whoever invented the slip-based pole deserves an award. These poles shear at the base when struck, yet withstand torque loads - a simple but brilliant design that has saved thousands of lives and prevented tens of thousands of serious injuries worldwide. We need more...

read more
Safe System Snippet 470: Temporary Traffic Management

Safe System Snippet 470: Temporary Traffic Management

Working on or near the road is one of the most hazardous environments for any profession. Traffic controllers and road workers face significant risks daily. Their exposure to high-speed traffic, distracted drivers, and unpredictable road conditions are just some of...

read more
Safe System Snippet 468: Motorcyclist Risk

Safe System Snippet 468: Motorcyclist Risk

Motorcyclists face a significantly higher risk on the road network compared to other road users. Several factors contribute to this heightened vulnerability: Smaller size and visibility: Motorcycles are harder for drivers to see, especially in blind spots or when...

read more
Safe System Snippet 467: Beware Trams

Safe System Snippet 467: Beware Trams

Melbourne is home to the world’s largest tram network, but sharing the road with cars brings safety challenges. A Monash University study (Naznin et al., 2016) delves into the factors contributing to tram-involved serious injury crashes. A few of the key findings: 🦏...

read more
Safe System Snippet 465: Your Signals Are Not Unique

Safe System Snippet 465: Your Signals Are Not Unique

Installing new traffic signals in a high-speed environment leads to high-severity crashes. It’s time to face the hard truth: repeating the same approach and expecting different results is not just ineffective - it’s causing death and serious injury. We need to...

read more
Safe System Snippet 464: Speed and Stars

Safe System Snippet 464: Speed and Stars

Curious about how speed affects AusRAP Safety Star Ratings? We've created two PDF sheets that compare the ratings for the same rural cross section under 100km/h and 80km/h speed limits. What is AusRAP? AusRAP, based on the iRAP methodology, assesses and rates road...

read more