Fewer.
According to the National Highway Traffic Safety Administration (NHTSA) 33,808 people died in traffic crashes in 2009 in the United States (latest figures available).
Yellow (and black letters or symbols) for "ordinary hazards"; Orange for hazards created by temporary construction; or Pink for hazards caused by emergencies in the roadway ahead. Under the U.S. Manual of Uniform Traffic Control Devices.
Ways to prevent airplane crashes are:Keep the airplane maintained properly and do safety checks before each take-off.Use only experienced pilots that are properly trained.Do not take off in questionable weather.Always maintain the altitude cited by the air traffic controllers.If something goes wrong while in flight, land at the nearest airport after getting clearance from the air traffic controllers.
To measure wind speed.An anemometer measures the speed of wind, and is seen on almost every Air traffic Control Tower.An anemometer measures the speed of wind, and is seen on almost every Air traffic Control Tower.
Stats from 2012 probably not available yet. Here's the Numbers from 2010:2010 California Statistics1,768 people died in traffic crashes that were a result of alcohol and other drugsThere were 24,343 traffic-related injuries involving alcoholThere were 195,879 DUI arrests
Yes.
At intersections, look to the ________ first.
uncontrolled traffic intersections
The Magic Roundabout is listed as one of the 10 busiest intersections in the world and is simply a circle of traffic with no traffic control devices with which five different roads intersect it. Traffic flows counter-clockwise around the roundabout which is located in Swindon, England.
Traffic Control Devices
Flashing traffic lights are used when the control system is not functioning properly, or when there is very low level traffic (to the point that lights become unnecessary).
Low
low traffic flow in rural areas
There are many different free traffic services but the was the most beneficial and cost-efficient for me was this one 𝐡𝐭𝐭𝐩𝐬://𝐲𝐚𝐳𝐢𝐧𝐠.𝐜𝐨𝐦/𝐝𝐞𝐚𝐥𝐬/𝐞𝐦𝐞𝐝𝐜𝐨/𝐍𝐚𝐮𝐟𝐚𝐥 (𝐣𝐮𝐬𝐭 𝐢𝐭'𝐬 𝐚𝐧 𝐚𝐟𝐟𝐢𝐥𝐢𝐚𝐭𝐞 𝐥𝐢𝐧𝐤 𝐁𝐮𝐭 𝐢𝐭'𝐬 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐝𝐞𝐚𝐥 𝐰𝐢𝐭𝐡 𝐜𝐨𝐮𝐩𝐨𝐧 𝐜𝐨𝐝𝐞𝐬)
low traffic flow in rural areas
Some intersections have traffic lights instead of round abouts because there is too much traffic on some intersections for a roundabout to be safe. Roundabouts have to have a certain amount of traffic to be safe enough for no traffic light.
Traffic crashes kill more people each year than bullets from handguns. According to statistics, traffic crashes are a leading cause of death worldwide, claiming millions of lives annually.