1 Define High-Traffic Volume. It is probable that the traffic threshold value may not be the same across all states. In some states, AADT of 50,000 may be considered high, while 100,000 may be the threshold in other states. For example, I1 DOT uses 70,000 AADT while NYSDOT uses 80,000 AADT to define high volume routes.
What is volume of traffic?
Volume Study Traffic volume is defined as the number of vehicles crossing a section of road per unit time at any selected period. Traffic volume studies are conducted to collect data on the number of vehicles and/or pedestrians that pass a point on a highway facility during a specified time period.
What is spot speed?
Spot speed is the instantaneous speed of a vehicle at a specified location. Spot speed can be used to design the geometry of road like horizontal and vertical curves, super elevation etc. Location and size of signs, design of signals, safe speed, and speed zone determination, require the spot speed data.
What are two types of speed signs?
Understand the Meaning of These Two Speed Signs For your driver’s license or permit exam, you must be able to tell the difference between these two speed signs. One is a regulatory speed limit sign. The other is an advisory (recommended) speed sign.
Who are the most vulnerable pedestrians?
Children and Seniors Are Most Vulnerable in Pedestrian Crashes.
How far should you search ahead to make sure you allow yourself enough time to avoid possible conflicts?
Look far ahead Search 20 to 30 seconds ahead.
Which two attitude States can lead to aggressive driving?
The Adult Attitude State is the logical, rational decision maker – the most desirable state for driving. The irrational urge to punish other drivers comes from the Parent Attitude State. The Child Attitude State is responsible for reckless and impulsive behaviors such as aggressive driving, tailgating, and speeding.