MUTCD Part 6: Temporary Traffic Control

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MUTCD Part 6 Temporary Traffic Control
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Overview of Part 6

• Changes in general
• emphasis on pedestrian, bicyclist, worker safety,
  and highway rail grade crossings
• New section and changes to existing sections
• Check the manual for specific changes

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Reason for Shift

• Work zones becoming more important
• Increase in road users
• motorists, bicyclists, pedestrians
• Increased need for worker safety
• Minimize delay

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Definition of Temporary Traffic Control Zones

• Work zones
• Roadway incidents
• Special events

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Temporary Traffic Control Plans

• New Guidance
• provides GUIDANCE statement to provide additional
  information on minimizing the need to reduce
  speed limits in temporary traffic control zones
• no economic impact on state and local highway
  agencies

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Worker Safety

• Shadow vehicles
• Crash Cushions
• Other devices to protect workers
• Retroreflective clothing

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Sign Placement

• New considerations not to have signs on
  sidewalks, bicycle lanes, or other areas
  designated for pedestrian or bicycle traffic

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New Regulatory Signs

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Stay in Lane Sign
R4-9

• (New Regulatory Signs -- Section 6F.11)

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Pedestrian Crosswalk Sign
R9-8

• (New Regulatory Signs -- Section 6F.13)

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Sidewalk Closed Signs
R9-9
R9-10
R9-11
R9-11a

• (New Regulatory Signs -- Section 6F.13)

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New Warning Signs
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New Warning Signs (contd)
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Center Lane Closed Ahead Signs
W9-3, W9-3a

• (New Warning Signs -- Section 6F.22)

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Thru Traffic Merge Right (Left) Sign
W4-1a

• (New Warning Signs -- Section 6F.23)

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On Ramp Plaque
W13-4
(New Warning Signs -- Section 6F.25)
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Ramp Narrows Sign
W5-4
(New Warning Signs -- Section 6F.26)
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Exit Open, Exit Closed Signs
W5-2
W5-2a
(New Warning Signs -- Section 6F.28)
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Utility Work Sign
W21-7
(New Warning Signs -- Section 6F.36)
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Portable Changeable Message Signs
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Portable Changeable Message Signs (contd)

• Guidance on the design of message displays
• top lineproblem
• center linelocation or distance ahead
• bottom linedriver action
• Guidance for location and providing protection
  for portable changeable message signs

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Arrow Panels
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Arrow Panels (contd)

• New Standard
• definition of arrow panel is a STANDARD
• 1st paragraph changed from SUPPORT to STANDARD
• New Guidance
• shielding with barrier or crash cushions

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Drums

• New standard will provide better uniformity on
  the top color of all drums

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Direction Indicator Barricade
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Temporary Raised Island

• New Option
• A temporary raised island MAY be used to
  separate motor vehicle traffic flows
• motor vehicle traffic volume range of 4,000 TO
  15,000 ADT
• freeways 22,000 TO 60,000 ADT

(Section 6F.63, 1st Option Paragraph)
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Multi-Lane Non-Access Controlled

• New Standard
• for lane closures, a transition containing a
  merging taper SHALL be used

(Section 6G.11, 2nd Paragraph)
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Work in Urban Areas
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Work Within the Vicinity of Highway-Rail Grade
Crossings

• New Guidance
• early coordination with the railroad company
  SHOULD occur before work starts
• will improve safety, while having no economic
  impact on states and local highways agencies

(Section 6G.18)
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46 Typical Applications

• More notes
• Highway-rail grade crossing guidance
• Crashworthy treatments
• Pedestrian and bicycle emphasis

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Upgraded TAs

• New notes accompany TAs 10, -30, -32
• New TA-46 added to provide additional information
  on work zone treatments near highway-rail
  crossings

(Figures 6H-10, 6H-30, 6H-32, 6H-46)
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TA-46 Highway-Rail Grade Crossing
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TA-12 Lane Closure
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TA-14 Haul Road Crossing
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TA-17 Mobile Operations on Two Lane Road
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TA-18 Lane Closures on Minor Street
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TA-21 Lane Closure on Near Side of an
Intersec-tion
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TA-28 Sidewalk Detour or Division
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TA-30 Interior Lane Closure on Multi-Lane Street
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TA-35 Mobile Operation on Multi-Lane Road
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TA-39 Median Crossover on Freeway
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TA- 45 Temporary Reversible Lane Using Movable
Barriers
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TA-37 Double Lane Closure on Freeway
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TA-38 Interior Lane Closure on Freeway
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Questions?