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2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD CA MUTCD 2012 Revisions to Part 4 – Highway Traffic Signals.

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Presentation on theme: "2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD CA MUTCD 2012 Revisions to Part 4 – Highway Traffic Signals."— Presentation transcript:

1 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD CA MUTCD 2012 Revisions to Part 4 – Highway Traffic Signals

2 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4B.02 Steps for signal removal changed from option to guidance The step of installing a sign notifying the public is removed

3 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4C.04 New 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

4 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4C.05 Revisions to Warrant 4 (pedestrian volume)

5 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4C.10 – New Warrant 9 for intersections near grade crossings

6 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD New Traffic Signal Warrant Worksheet -Warrant 9 – Intersection Near a Grade Crossing - Figure 4C-101 -Both Parts A and B Must be Satisfied -Adjustment Factor from Table 4C-2, 4C-3, and 4C-3

7 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Reorganization of Sections in Chapter 4D Similar subjects grouped together – in adjacent Sections, or – combined into a single Section

8 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Chapter 4D Optional use of flashing yellow arrow for permissive turns

9 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Optional use of flashing red arrow for permissive turns in special cases

10 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.03 Use of No Pedestrian Crossing signs at signalized locations Where 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) NOTE: Section 4E.01 – CA MUTCD – Signal design shall provide for or prohibit pedestrian movements

11 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Revised definition of “Intersection”, these areas shall also be part of the intersection: On approach—area beyond stop line or crosswalk On departure—area extending to far side of crosswalk Meanings of Vehicular Signal Indications

12 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Specific 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

13 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Optional U-turn arrow indications

14 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 12-inch indications required for all new traffic control signal faces Six options for using new 8-inch indications in special circumstances (incl. <30 mph if <120 ft from stop line)

15 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Optional red indication clusters in vertical signal faces

16 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.11 – Min. two signal faces required for straight-through movement if it exists, even if not the major movement on approach 2 nd face required for through movement

17 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.11 – Single-section green arrow signal face OK when never a conflicting movement

18 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

19 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.11 – Recommended number, location, and design of signal faces for approaches with speeds > 45 mph:

20 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.11 – Recommended minimum number of thru signal faces on approaches with speeds > 45 mph:

21 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Same provisions should also be considered for speeds of less than 45 mph

22 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.12 – Optional yellow retroreflective borders around backplates

23 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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)

24 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.13 Circular green indications for permissive LTs should not be located over or in front of the LT lane

25 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Shared signal face for permissive-only mode left turns (Not over the left-turn lane)

26 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

27 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

28 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

29 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Sections 4D.17 thru 4D.24 New 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

30 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.25 – Signal displays for shared left-turn/right-turn lanes with no through movement

31 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.26 – Yellow change intervals and red clearance intervals Durations shall be determined using engineering practices Use of red clearance – changed from option to guidance, when indicated by application of engineering practices

32 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.27 Back-up power should be provided for signals with RR preemption

33 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.28 Flashing mode may be used on a scheduled basis

34 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4D.34 – Overhead lane control signs should be used for certain signalized approaches Per Section 2B.19 – Lane drops, multiple-lane turns, shared through-turn lanes, other unexpected lane-use

35 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.04 – Overlaid pedestrian symbols are allowed

36 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.06 – Pedestrian intervals and signal phases Crosswalk w/ ped signals across signal- controlled RT slot If a walking person or a flashing upraised hand is displayed… –A steady red or flashing red must be displayed to any conflicting vehicular movement that is perpendicular or nearly perpendicular to the crosswalk

37 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Ped. Change Interval (FDW) shall end at least 3 seconds (“buffer”) before release of conflicting traffic Buffer shall not begin later than the start of the red clearance interval, if used

38 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.06 – Walking speed for calculating pedestrian clearance time Option: A walking speed between 3.5 and 4 feet per second may be used if an engineering study documents that it is sufficient Guidance: In the absence of an engineering study, the pedestrian clearance time should use the walking speed of 3.5 feet per second Guidance: Sum of Walk time + Ped. Clearance Time based on 3.0 feet per second for distance from ped detector to far side Option: Where older or disabled routinely use the crosswalk, a walking speed of 2.8 feet per second may be used

39 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.06 – Optional leading pedestrian interval

40 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.07 Countdown pedestrian displays - Required for all ped signals except where ped change interval is < 7 sec. - May be used even if ped change interval is 7 sec. or less

41 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.08 – New guidance and figures for locations of pedestrian pushbuttons for a variety of conditions

42 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4E.08 – Positioning of pedestrian pushbuttons and legends on pushbutton signs shall clearly indicate which crosswalk signal is activated by which pushbutton

43 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

44 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Sections 4E.09 through 4E.13 – APS revised provisions Design features, extended button presses, audible beaconing, special requirements if two buttons must be located < 10 ft apart or on one pole

45 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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

46 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Chapter 4F New pedestrian hybrid beacon

47 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4G.04 New emergency-vehicle hybrid beacon

48 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD New Chapter 4K – Highway traffic signals at toll plazas Section 4K.01 – Signals at toll plazas OK NO

49 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4K.02 – Lane-use control signals at toll plazas NO YES

50 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD Section 4L.02 – Intersection Control Beacons using two red lenses Horizontally aligned – flash simultaneously Vertically aligned – flash alternately

51 2009 MUTCD (Final Rule) Revisions Incorporated into the 2009 MUTCD 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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