More MUTCD
Dat AASHTOOO
Signal Alternatives
Cross Sectional Elements
Transportation Planning
100

Differing from a dotted line, which provides guidance or warning of a downstream change in lane function, this type of line is typically characterized by a 1:3 marking to gap ratio and indicates a permissive condition

Broken Line

100

This movie featured a common concern with roundabouts, “Look kids, Big Ben and Parliament”

National Lampoon’s European Vacation

100

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

(Modern) Roundabout

100

The part of a roadway reserved for the normal one-way movement of a single stream of vehicles

Travel lane

100

Process of grouping streets and highways into classes based on their character of service

Functional Classification

200

The maximum width of a longitudinal pavement marking line

8 inches

200

You might confuse these curvy roundabout pavement markings for a fishing lure

Fish-hook Arrows

200

A little “birdy” told me this alternative strategy for red-indication control may be an option if signal warrant are not met

A Pedestrian Hybrid Beacon (HAWK)

200

The portion of the roadway between the outer edge of the traveled lane and the inside edge of the ditch

Shoulder

200

A strategy to reduce the number of conflict points on arterial streets, thereby increasing both capacity and safety

Access Management

300

The characteristic that ensures that pavement markings are visible at night and is a required component for all markings on interstate highways

Retroflectivity

300

This type of roundabout, common at diamond interchanges, might leave you a bit misty-eyed

Teardrop

300

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

Roadway Lighting

300

The portion raised or painted of the roadway separating opposing directions of the roadway, or local lanes from through travel lanes

Median

300

Transportation policy-making body of local government and transportation agencies required by FHWA for urban areas

Metropolitan Planning Organization (MPO)

400

A normal width double broken yellow lines is the longitudinal marking used to delineate this type of lane

Reversible

400

This elevated paved area is provided around the center island, in order to accommodate larger vehicles

Truck apron

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

All-way stop control

400

These provide a transition from the roadway shoulder to the original ground surface

Sideslopes

400

The ability to connect, and the connections between, mode of transportation

Intermodal

500

The five acceptable colors for pavement marking

Yellow, white, red, blue, and purple

500

This design feature allows pedestrians to rest “on the beach” when crossing a leg of a roundabout

Splitter Island

500

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

Curb Extensions/Bump Outs/Bulb Outs

500

For safety’s sake, the term for the distance from the edge of the traveled way to either a fixed obstacle or non-traversable slope

Clear zone width

500

This Act originally passed 1963 as a US federal law designed to control air pollution

Clean Air Act