into the 2009 MUTCD Highway Traffic...

2009 MUTCD (Final Rule)2009 MUTCD (Final Rule)

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Highway Traffic Signals


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Section 4C.04New guidance in Warrant 3

(Peak hour)

• Signals installed under Warrant 3 (peak hour):– should be traffic-actuated, and – may be operated in flashing mode

during off-peak hours


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Section 4C.05Revisions to Warrant 4

(pedestrian volume)


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• no “half-signals”

Sections 4C.05 & 4C.06Signals based only on warrant 4 (ped

volume) or warrant 5 (school crossing) should also control the minor street or

driveway


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Section 4C.10 – New Warrant 9 for intersections near grade crossings


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Reorganization of Sections in Chapter 4D

• Similar subjects grouped together– in adjacent Sections, or– combined into a single Section


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Chapter 4DOptional use of flashing yellow

arrow for permissive turns


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Section 4D.03Use of No Pedestrian Crossing

signs at signalized locationsWhere it is necessary

or desirable to prohibit a pedestrian movement that is not practical to physically prevent by

other means…

Sign should be used (rather than may)


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Sections 4D.06 & 4D.26Specific prohibitions of:

• Flashing green• Vehicular countdown displays• Other similar “pre-yellow” signal

displays• Strobes or other flashing displays

within or adjacent to any signal indication


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Section 4D.06Optional U-turn arrow indications


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Section 4D.0712-inch indications required for

all new traffic control signal facesSix options for

using new 8-inch

indications in special

circumstances

(incl. <30 mph if <120 ft from

stop line)


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Section 4D.11 – Single-section green arrow signal face OK when

never a conflicting movement


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Section 4D.11 – Recommended number, location, and design of signal faces for

approaches with speeds > 45 mph: - Face per thru lane, overhead, far side, with backplates

1 or more supplemental faces


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Section 4D.11 – Recommended minimum number of thru signal faces on approaches with speeds > 45 mph:


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Same provisions should also be considered for speeds of less

than 45 mph


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Section 4D.12 – Optional yellow retroreflective borders around

backplates


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Section 4D.13 – Positioning of overhead separate signal faces for

turn movements• If installed

overhead for a dedicated turn lane, the separate turn face shall be located over the turn lane (not necessarily centered over the lane)


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Section 4D.13Circular green indications for permissive LTs

should not be located over or in front of the

LT lane


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Shared signal face for permissive-only mode left turns

(Not over the left-turn lane)


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Sections 4D.17 and 4D.21 --Protected-only mode shall not be used without exclusive turn lane

…unless turn phase always begins and ends simultaneously with the adjacent through movement (“split-phased”)

NOT to be used with shared lane unless split-phased


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Section 4D.19 – Protected-only mode left-turn faces must use

red arrow, not circular red

• Applies to left-turn signals but not to right-turn signals


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Sections 4D.17 thru 4D.24New sections & figures for modes of

left-turn and right-turn signal operations

Separate signal face

with FYA for PPLT and/or protected-only mode

left turn


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Section 4D.25 – Signal displays for shared

left-turn/right-turn lanes with no through movement


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Section 4D.26 – Yellow change intervals and red clearance

intervals• Durations shall be determined using

engineering practices– Compliance date December 31, 2014 or

when timing adjustments are made (whichever occurs first)

• Use of red clearance – changed from option to guidance, when indicated by application of engineering practices


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Section 4D.27Back-up power

should be provided for signals with RR preemption


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Section 4D.27 – LRT signal indications may be used for

exclusive bus or BRT lanes or bus queue jumper lanes


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Section 4D.28Flashing mode may be used on a

scheduled basis


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Section 4E.02 – New meaning of flashing upraised hand when

pedestrian countdown signals are present was NOT ADOPTED

Ped may enter the intersection on the flashing

upraised hand when a countdown pedestrian signal indication is present if they are able to travel to the far side of the traveled way by the time conflicting traffic

receives a green signal


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Section 4E.04 – Overlaid pedestrian symbols are allowed


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Relationship of pedestrian clearance time to vehicular intervals in the

2009 MUTCDPed Change Interval (flashing DW): - shall not extend into the red clearance interval - shall be followed by min. 3 sec. buffer interval

Compliance date Dec. 31, 2014 or when timing adjustments are made (whichever occurs first)


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Section 4E.06 – Slower walking speed for calculating pedestrian

clearance time (guidance)

4.0 feet per second

Ped. Clearance Time based on 3.5 feet / sec

Sum of Walk time + Ped. Clearance Time based on 3.0 feet per second for

distance from ped detector to far side

[Exception allows 4.0 ft /sec if extended button press or passive ped detection allows slower peds to

request additional crossing time]


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Section 4E.06 – Optional leading pedestrian interval


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Section 4E.07Countdown pedestrian displays

- Required for all ped signals except where ped change interval is < 7 sec.

- No specific compliance date for retrofitting existing ped signals (can remain w/o countdown until ped heads replaced)

- May be used even if ped change interval is 7 sec. or less


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Section 4E.08 – New guidance and figures for locations of pedestrian

pushbuttons for a variety of conditions


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Section 4E.08 – Positioning of pedestrian pushbuttons and legends

on pushbutton signs shall clearly indicate which crosswalk signal is

activated by which pushbutton


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Accessible Pedestrian Signals (APS) and Accessible Detectors –

combined and reorganized into five new sections

• 4E.09 – General• 4E.10 – Location• 4E.11 – Walk indications• 4E.12 – Tactile arrows and locator tones• 4E.13 – Extended press button features


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Sections 4E.09 through 4E.13 –APS revised provisions

Design features, extended button presses, audible beaconing,

special requirements if two buttons must be located on one pole


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Reorganization of Chapters 4F-4N

• 4F – Pedestrian Hybrid Beacons • 4G – Traffic Control Signals and Hybrid Beacons for

Emergency Vehicle Access • 4H – Traffic Control Signals for One-Lane, Two-Way

Facilities• 4I – Traffic Control Signals for Freeway Entrance Ramps• 4J – Traffic Control for Movable Bridges • 4K – Highway Traffic Signals at Toll Plazas • 4L – Flashing Beacons • 4M – Lane-Use Control Signals • 4N – In-Roadway Lights


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Chapter 4FNew pedestrian hybrid beacon


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Section 4G.04New emergency-vehicle

hybrid beacon


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Sections 4I.02 and 4I.03Ramp control signals

Clarified design requirements and

options

Recommended regulatory and warning signs


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New Chapter 4K –Highway traffic signals at toll plazas

Section 4K.01 – Signals at toll plazas

OK

NO


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Section 4K.02 – Lane-use control signals at toll plazas

NO

YES


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Section 4L.02 – Intersection Control Beacons using two red lenses

Horizontally aligned –flash simultaneously

Vertically aligned –flash alternately


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Chapter 4N – In-roadway lights

New sign required if lights are actuated by push buttons

Shall be used only at marked crosswalks across uncontrolled approaches


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Revisions to Part 5 –Traffic Control Devices for Low-Volume Roads


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Part 5 is not applicable on neighborhood residential streets

Part 5 applies only outside of built-up areas of cities, towns, and communities

ApplicableNot applicable

into the 2009 MUTCD Highway Traffic...

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