Name that Shape
Stop sign
What is an octagon?
The typical width for a standard U.S. highway lane.
What is 12 feet?
What is Professional Engineer?
This interstate highway is the longest, connecting Boston, MA, with Seattle, WA.
What is I-90?
Take I-90 to this city, where you can chow down on some clam chowder.
Where is Boston?
Roundabout
What is a circle?
This many letters are used to describe Level of Service (LOS).
What is 6?
What is Americans with Disabilities Act?
You might take this interstate highway down to the beaches of Miami, FL, on spring break. It's the longest interstate highway extending north-to-south in the entire system.
What is I-95?
Continue along I-90 to this city, which has the largest population by metropolitan area on the Great Lakes.
Where is Chicago?
Yield sign
What is an equilateral triangle?
The maximum legal blood alcohol content (BAC) in most U.S. states.
What is 0.08%?
FTA
What is Federal Transit Administration?
In this state, you will find the highest interstate highway (I-70) by elevation.
Where is Colorado?
You might need to turn around on I-90 to head to this city, where you can spend some time at the Rock and Roll Hall of Fame.
Where is Cleveland?
No passing zone sign
What is a pennant?
Typical value assumed for perception-reaction time, according to AASHTO.
What is 2.5 seconds?
AADT
What is Annual Average Daily Traffic?
You might need a submarine to get to a part of this interstate, the lowest by elevation in the entire system.
What is I-95?
Keep heading in this direction along I-90 and you'll hit the first city to receive electricity from Niagara Falls.
Where is Buffalo?
In this type of diverging interchange, the direction of traffic on the crossroad temporarily switches to the opposite side of the road, creating crossovers on both ends of the bridge.
What is a diverging diamond interchange?
Typical walking speed for a pedestrian, based on the MUTCD.
What is 3.5 seconds?
AASHTO
What is American Association of State Highway and Transportation Officials?
This state has the most miles of interstate highways.
Where is Texas? (~3200 miles)
BBC reports that this city now has the longest average daily commute times in the US.
Where is Washington, DC?