Sign Signals Traffic Markings

8/2/2019 Sign Signals Traffic Markings

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SIGNS, SIGNALS &

TRAFFIC MARKINGS

General principle of trafficGeneral principle of traffic

signs.signs.

To make a message known quickly,To make a message known quickly,accurately, with minimum reading skillsaccurately, with minimum reading skills

requirerequire

Allows traffic to meet the goal of the HTSAllows traffic to meet the goal of the HTS

with safe, rapid, and efficient transportation.with safe, rapid, and efficient transportation.

Poor signs, signals, and traffic markings canPoor signs, signals, and traffic markings can

lead to a break down in the system.lead to a break down in the system.

Recognizable by shape and color, message,Recognizable by shape and color, message,

and diagram.and diagram.

Types of Traffic Signs.Types of Traffic Signs.

RegulatoryRegulatory

WarningWarning

Guide.Guide.

Traffic Signs: StandardsTraffic Signs: Standards

Standard Sign ShapesStandard Sign Shapes

Standard Sign ColorsStandard Sign Colors

Types: RegulatoryTypes: Regulatory

Regulations.Regulations.

MustMustbe followedbe followed

Might result in a citation or worseMight result in a citation or worse

Regulatory: StopRegulatory: Stop

Red octagonRed octagon

Only sign so shapedOnly sign so shaped

Make complete stopMake complete stop

Easily recognized atEasily recognized at

a distancea distance


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Regulatory: StopRegulatory: Stop Regulatory: YieldRegulatory: Yield

Yield signsYield signs

Red & triangular.Red & triangular.

Requires a driver to allowRequires a driver to allow

other drivers first use ofother drivers first use of

the road.the road.

Regulatory: SpeedRegulatory: Speed

Speed limit signsSpeed limit signsWhite / black lettering.White / black lettering.

Vertical rectangles.Vertical rectangles.

Can also be orange.Can also be orange.

Regulatory: SpeedRegulatory: Speed

Regulatory: SpeedRegulatory: Speed Regulatory: SpeedRegulatory: Speed


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Regulatory: SpeedRegulatory: Speed Regulatory: MovementRegulatory: Movement

Regulatory: MovementRegulatory: Movement Regulatory: MovementRegulatory: Movement



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Regulatory: MovementRegulatory: Movement Regulatory: ParkingRegulatory: Parking

Regulatory: ParkingRegulatory: Parking Regulatory: ParkingRegulatory: Parking


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Regulatory: ParkingRegulatory: Parking Regulatory: ParkingRegulatory: Parking

Types: Warning SignsTypes: Warning Signs

Yellow or orangeYellow or orange

backgroundbackground

Black writingBlack writing

RailroadsRailroads

No passingNo passing

School zoneSchool zone ConstructionConstruction

Advance warningAdvance warning

Warning Signs: RailroadWarning Signs: Railroad

Warning Signs: RailroadWarning Signs: Railroad Warning Signs: ConstructionWarning Signs: Construction


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Warning Signs: ConstructionWarning Signs: Construction Warning Signs: ConstructionWarning Signs: Construction

Warning Signs: No PassingWarning Signs: No Passing

Pennant shapePennant shape

Placed at thePlaced at the

beginning of the nobeginning of the no

passing zone and onpassing zone and on

the left side of thethe left side of the

road to make themroad to make them

visible to driversvisible to drivers

trying to pass.trying to pass.

Warning Signs: AdvanceWarning Signs: Advance

Warning Signs: AdvanceWarning Signs: Advance Warning Signs: AdvanceWarning Signs: Advance


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Warning Signs: CaliforniaWarning Signs: California Warning Signs:Warning Signs:

Warning Signs: AdvanceWarning Signs: Advance Warning Signs: DirectionWarning Signs: Direction

Warning Signs: IntersectionsWarning Signs: Intersections Warning SignsWarning Signs


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Warning SignsWarning Signs Warning SignsWarning Signs

Warning SignsWarning Signs Warning Signs: SchoolsWarning Signs: Schools

Warning Signs:Warning Signs: Types: Guide signsTypes: Guide signs

Used to inform drivers of routes, gas, foodUsed to inform drivers of routes, gas, foodlodging, hospitals, rest areas and others.lodging, hospitals, rest areas and others.

Guide signs are designated by color and shape.Guide signs are designated by color and shape.


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Types: Guide SignsTypes: Guide Signs

Blue:Blue: motorist servicesmotorist services(gas, food, lodging, hospital,(gas, food, lodging, hospital,etc.)etc.)

Green:Green: highways and routehighways and routeinformation.information.

Brown:Brown: recreational areas.recreational areas.

Guide Signs: RoutesGuide Signs: Routes

Guide Signs: ExitsGuide Signs: Exits Guide Signs: Special RoadsGuide Signs: Special Roads

Types: RecreationTypes: Recreation Types: Guide signsTypes: Guide signs


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Types: Guide signsTypes: Guide signs Traffic Lights: TypesTraffic Lights: Types

ProgressiveProgressive

Traffic ActivatedTraffic Activated

TimedTimed

PedestrianPedestrianActivatedActivated

Progressive lightsProgressive lights

Keep trafficKeep traffic

moving at themoving at the

correct speedcorrect speed

Keep moving asKeep moving as

the lights changethe lights change

in sequence.in sequence.

Traffic Activated LightsTraffic Activated Lights

Change according toChange according to

traffic loads.traffic loads.

No traffic, no greenNo traffic, no green

light,light,

Many vehicles, longerMany vehicles, longer

green lights.green lights.

Traffic Activated LightsTraffic Activated Lights

Know what and howKnow what and how

each intersection iseach intersection is

set up.set up.

Try to anticipate theTry to anticipate the

traffic coming, nottraffic coming, not

react to traffic thatreact to traffic that

has just stopped.has just stopped.

Timed LightsTimed Lights

Least expensiveLeast expensiveUsed in manyUsed in many

smallersmaller

communities.communities.

Set for so manySet for so many

seconds green forseconds green for

each direction ofeach direction of

traffic.traffic.


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Pedestrian ActivatedPedestrian Activated

LightsLights

Aid crossing of busyAid crossing of busy

streets.streets.

PedestriansPedestrians

No turn on red handNo turn on red hand

Emergency ActivatedEmergency Activated Colors of the Traffic LightColors of the Traffic Light

3 colors have3 colors havespecific meaning.specific meaning.

Red: stop.Red: stop.

Yellow: do not enterYellow: do not enter

Green: go whenGreen: go whensafesafe

Traffic LightsTraffic Lights Colors of the Traffic LightColors of the Traffic Light

Green means you may go,Green means you may go,

if safe to do so.if safe to do so.

There is no right of wayThere is no right of way

given by a green light.given by a green light.


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Traffic LightsTraffic Lights Traffic LightsTraffic Lights

Traffic LightsTraffic Lights Traffic LightsTraffic Lights

Traffic LightsTraffic Lights Right on Red Law in CT.Right on Red Law in CT.

Drivers in all 50 states are allowed toDrivers in all 50 states are allowed tocomplete a right turn on redcomplete a right turn on red

Drivers must.Drivers must.

Come to a complete stopCome to a complete stop

Yield to any and all trafficYield to any and all traffic

Make sure there is no sign prohibiting the turnMake sure there is no sign prohibiting the turn

BeforeBeforecompleting a right on red.completing a right on red.


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Left on Red Law in CTLeft on Red Law in CT

There is no left turn on red in CT.There is no left turn on red in CT.Some states do have oneSome states do have one

Multiple Use Lane SignalsMultiple Use Lane Signals

In larger cities, the use of reversible lanesIn larger cities, the use of reversible lanesincreases the capacity of the existing streets.increases the capacity of the existing streets.

Center lanes are reversed to allow heavy traffic, inCenter lanes are reversed to allow heavy traffic, in

one direction or the other, to have more lanes.one direction or the other, to have more lanes.

These lanes are marked with a green arrow or aThese lanes are marked with a green arrow or a

red X above the lane.red X above the lane.

Pavement MarkingsPavement Markings

Pavement markings,Pavement markings,

like signs and signals,like signs and signals,

are designed to moveare designed to move

traffic safely, rapidly,traffic safely, rapidly,

and efficiently.and efficiently.

Markings shouldMarkings should

communicate a simple,communicate a simple,

clear message for allclear message for all

highway users.highway users.

Yellow MarkingsYellow Markings

Separate trafficSeparate traffic

traveling in thetraveling in the

opposite directionsopposite directions

If the solid is onIf the solid is on

your side, you mayyour side, you may

not crossnot cross

Broken may passBroken may pass

when safe to do sowhen safe to do so

Yellow: No PassingYellow: No Passing Lane Markings: Solid YellowLane Markings: Solid Yellow


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Yellow Markings: PassingYellow Markings: Passing Left Turn LaneLeft Turn Lane

At no time is a driver supposed toAt no time is a driver supposed to

pull into this lane to enter the trafficpull into this lane to enter the traffic

flow.flow.

Roadway Markings and TrafficRoadway Markings and Traffic

SignalsSignals

Left turn lane only Reversible lane

Two-way left run lane Two-way reversible lane

Lane Markings: Shared LeftLane Markings: Shared Left

Lane Markings:Lane Markings: ReversableReversable LaneLane Lane Markings: Changing UseLane Markings: Changing Use


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Yellow MarkingsYellow Markings WhiteWhite

Marking sides of roadways,Marking sides of roadways,

crosswalks, warnings, andcrosswalks, warnings, and

to separate traffic travelingto separate traffic traveling

in the same direction.in the same direction. SOLID WHITE: used on theSOLID WHITE: used on the

right of roadway edge.right of roadway edge.

BROKEN WHITE: traffic inBROKEN WHITE: traffic in

same directionsame direction Crossing the line is allowedCrossing the line is allowed

only when changing lanesonly when changing lanes

or turning.or turning.

Lane Markings: Solid WhiteLane Markings: Solid White Lane Markings: Broken WhiteLane Markings: Broken White

Proper Lane Choices whenProper Lane Choices when

DrivingDriving Drivers should chooseDrivers should choose

a traffic lane witha traffic lane with

fewest conflicts.fewest conflicts.

Law requires travelingLaw requires traveling

in the right hand lanein the right hand lane

unless passing orunless passing or

turning left.turning left.

In heavy traffic eitherIn heavy traffic either

lane is legal.lane is legal.

Lane Markings: Stop LineLane Markings: Stop Line


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Lane Markings: X WalkLane Markings: X Walk Lane Markings: Exit LaneLane Markings: Exit Lane

Lane Markings: HOVLane Markings: HOV Lane Markings: ParkingLane Markings: Parking

School BusSchool BusApproaching of a School BusApproaching of a School Bus

on a Fiveon a Five--Lane StreetLane Street

Not many in CTNot many in CT

Left turn lane is defined as a physical barrierLeft turn lane is defined as a physical barrier Not required to stop for a school bus coming from theNot required to stop for a school bus coming from the

other direction.other direction.

Watch out for other drivers who are not sureWatch out for other drivers who are not sure

about this.about this.

Everywhere else, you must stop for a schoolEverywhere else, you must stop for a school

bus with lights flashing designating children.bus with lights flashing designating children.


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Anything Wrong?Anything Wrong?Signs We DonSigns We Dont Want to Seet Want to See

Sign Signals Traffic Markings

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