The M4 is upping its IQ to help with the flow of traffic between Mays Hill and Penrith 😎 Testing of new tech starts next week. Once fully operational it will help control traffic flow with a number of electronic sensors and signals. http://bit.ly/M4SmartMotorway | NSW Government

Car dashcam footage has captured the moment the wheels of a truck kicked up a pickaxe lying on the road, before flying through the air and clipped the driver's windscreen on the M4 at Merrylands. While it left some damage, it didn't cause a crash. #dashcam #closecall #m4motorway #Merrylands #7NEWS | 7NEWS Sydney

12K views · 31 reactions | Despite its upgrade, Sydney's M4 motorway has again topped the list of Australia's highest priorities for infrastructure spending. From Parramatta to the Blue Mountains, the east-west backbone of the road network is often so crowded, it's considered to be over capacity. www.7NEWS.com.au #M4 #SydneyRoads #7NEWS | 7NEWS Sydney | Facebook