Worn tires below 4/32-inch tread depth cause hydroplaning and 16-18% longer stopping distances, but a simple penny test reveals danger levels.
Mayor Olivia Chow said nearly 30 city crews were roaming the streets fixing potholes Tuesday as driver frustration mounts.
Mayor Olivia Chow said nearly 30 city crews were roaming the streets fixing potholes Tuesday as driver frustration mounts.