Traffic Signal Alternatives
Parked, Where Your Car Has Been
Traffic Loading
Famous Bridges and Tunnels
Transportation Publications
100

This newer method of intersection control was invented in the United Kingdom in 1966

What is a (modern) Roundabout

100

This color pavement marking is used to supplement white markings for parking spaces for persons with disabilities

What is blue

100
Increasing in popularity, a metric used to tax road users as an alternative to fuel taxes, denoted as VMT.

What is vehicle miles travelled?

100

If you visited Alcatraz island, you may be able to see the Bay Bridge and this famous bridge, on a clear day.

What is the Golden Gate Bridge?

100

More common name for the AASHTO publication "A Policy on Geometric Design of Highways and Streets"

What is the Green Book?

200

A little "birdy" told me this alternative strategy for red-indication control may be an option if signal warrants are not met.

What is a Pedestrian Hybrid Beacon? (HAWK)

200

This sign category includes signs and plaques governing parking and standing.

What is regulatory?

200
Abbreviated HOV, this type of lane is designated for a vehicles meeting a threshold which is typically two or three persons.

What is high occupancy vehicle?

200

The "Interstate Bridge" is a pair of steel truss bridges that carry traffic on I-5 from Portland to this city.

What is Vancouver?
200

TRB published the sixth edition of this manual in 2016.

What is the Highway Capacity Manual?

300
If crashed are occurring mainly at night at an unsignalized junction, this mitigation may be more appropriate than a traffic signal.

What is Roadway Lighting?

300

Where parking movements are likely to occur, the minimum mounting height measured vertically from the bottom of the sign to the top of the adjacent curb.

What is 7 feet?

300

Denoted by the acronym, ESAL, a metric used to normalize vehicle volumes for purposes of pavement design.

What is equivalent single axle load?
300

This tunnel system was designed for Tesla Model Y vehicles to shuttle passengers between 8 stations.

What is the Vegas Loop (Las Vegas Convention Center Loop)?

300

In the US this manual, which standardized signs, celebrated its 80th birthday in 2015.

What is the MUTCD?

400

If traffic volumes are heavy but do not quite meet signal warrants, warrants may still be met for this more restrictive octagon sign control method.

What is All-Way Stop Control?

400

To avoid confusing a parking area with a recreational park on a portable message sign, this is an acceptable abbreviation for "parking".

What is P K I N G?
400

A factor of 1.5 for singe unit trucks, 2.5 for buses, and 0.5 for motorcycles, this is used to convert traffic into a homogenous flow for traffic volume estimates.

What is passenger car unit equivalent?

400

This tunnel, completed in 1905 by the Great Northern Railway, is a double tracked railway tunnel underneath downtown Seattle.

What is the Great Northern Tunnel?

400

AASHTO published the first edition of this manual in 2010.

What is the Highway Safety Manual?

500

A geometric treatment that can be used to shorten the pedestrian crossing distance by eliminating the shoulder or parking lane.

What are Curb Extensions or Bump Outs?

500

One of two signs used to discourage or prohibit shoulder parking particularly at scenic locations or where other attractions create a tendency for drivers to stop temporarily.

What is EMERGENCY PARKING ONLY or EMERGENCY STOPPING ONLY?

500

The daily threshold volume at which a road is considered low-volume according to the MUTCD.

What is 400 AADT?
500

The Old Portland Underground is better known as this.

What are the Shanghai tunnels?

500

Monthly publication issued by ITE written for A Community of Transportation Professionals.

What is the ITE Journal?

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