ITs human nature
This term represents the main mechanism for regulating traffic flow and transportation systems.
control
if you cross paths with an autonomous vehicle you might be caught in 4k
camera
these types of signs call attention to unexpected hazards on the road way
warning signs
these are formal safety evaluations of existing or future road or intersection by an independent team
road safety audit
5280 ft per mile divided by vehicle spacing
density
the time required for a driver to recognize in impending hazard
perception reaction time
Okay boomer, forget the Segway, electric scooters are the new trend in urban mobility.
micro transportation
the shape of most warning signs
diamond
pedestrian fatalities are more likely to occur during this portion of the day
night time
v60/4xv15
peak hour factor
these involve unexpected road and traffic conditions sometimes changing daily, which increase a drivers workload and information
work zones
No cap. When traveling gen z is more likely to use these than other generations
ridesharing services
warning sign regarding conditions associated with incident management
flurescent pink
these typically increase crashes by 20-30 percent relative to normal conditions along a roadway
work zones
aadt x k x d
directional peak hour demand volume
An undesirable condition created at signalized intersections due to excessive delays and vehicle queuing is known as
left turn trap
yaas queen! both traditional automobiles and hybrid vehicles run the road using this.
gas
the minimal allowable height from the roadway of a warning sign with an advisory speed plaque in a rural area
what is 4ft
crash rate for section or roadways are normally
million vehicle miles
3600 sec per hour divided by headways (sec/vehicle)
saturation flow rate
the term used to describe the placement of signs according to their importance and hierarchy
primacy
let them cook, planners and engineers have frequently worked together on this technique to make roads slimmer
road diet
this sign may be used in advance of a transition on a two lane road where the pavement width is reduced abruptly to a width that only allows for one vehicle to pass
road narrows
first envisioned by federal legislation in 1966 congress created this program aimed at saving lives, abbreviated as
highway safety improvement program
1/ (1+pt(ET-1)+PR(ER-1))
heavy vehicle adjustment factor