MUTCD Part 2: Signs

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MUTCD Part 2 Signs
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Chapter 2A General
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Illumination and Retroreflectivity

• All signs shall be retroreflective or illuminated
• improves safety
• improves visibility

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New Symbols

• Adopted by FHWA
• Based on research studies
• State and local option

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Letter Heights on Signs

• Based on 25mm (1in) letter height per 12m (40ft)
  of legibility distance

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Mounting Height

• No change to mounting height
• 5 feet in rural districts
• 7 feet in urban districts

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Breakaway/Shielded Sign Supports

• Sign supports within the clear zone SHALL be
  breakaway, yielding, or shielded
• Overhead sign supports shall have a barrier or
  crash cushion

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Day and Night Sign Inspections

• Day and Night Inspection Schedule
• reiterated as guidance in the MUTCD

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Chapter 2B Regulatory Signs
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Stop Signs and Stop Lines
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Mandatory Movement Lane Control Signs

• New sign is used to notify road user to stay in
  the same lane to proceed straight through the
  intersection

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Mandatory Movement Lane Control Signs (contd)

• When mandatory movement lane control signs are
  installed, appropriate pavement markings may also
  be installed

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Reversible Lane Control Signs

• New section on Reversible Lane Control Signs
• Section 2B.23

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Traffic Signal Signs

• Optional use of two new symbols signs for NO
  RIGHT (LEFT) TURN ON RED

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High Occupancy Vehicle Lanes

• New section that includes provisions for the
  design and operation of HOV lanes

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High Occupancy VehicleLanes (contd)

• Revised preferential lane signs to address HOV
  lanes, in addition to other preferential uses
• Section 2B.48

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Chapter 2C Warning Signs
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Reducing Run off the Road Crashes Along Curves

• We have three new warning signs
• combination intersection/curve (W-10)
• combination horizontal alignment sign and
  advisory speed
• advisory curve speed sign (W13-5)

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Circular Intersection Sign

• Include a new circular intersection sign

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Speed Hump Sign

• A new section and word message sign added
• speed hump

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Pavement Ends Sign Deleted

• Discontinued the use of the Pavement Ends
  symbol sign
• replace with word message signs

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Advance Traffic Control Signs

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Crossing Signs
1988 MUTCD

• 2000 MUTCD
• Deletion of crosswalk lines on the Crossing Sign

Advance Crossing
Crosswalk Sign (with lines)
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Chapter 2D Guide Signs Conventional Roads
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Placement of Route Signs

• Route signs located on top left of sign panel in
  this order

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Cardinal Direction Signs

• Increased first letter
• Compliance date December 31, 1994
• HAVE YOU ??

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Street Name Signs

• Option to install on overhead mast arms
• Option to install two different street names on
  one sign panel with arrows

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General Service Signs

• Option to sign for
• emergency dial XXX
• roadway conditions dial 511

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Chapter 2E Guide Signs for Expressways and
Freeways
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Selection of Control Cities

• States and local agencies are responsible for
  selecting control cities

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Interchange Exit Numbering

• Milepost numbering is preferred method

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Vertical Dimension of Exit Number Sign Panel

• 30 inch vertical dimension

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Changeable Message Signs

• Design guidance in accordance to part 6 and
  letter height of 450 mm (18)

Photo courtesy of Federal Lands Program Office of
U.S. DOT
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Chapter 2F Specific Service Signs
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(No Transcript)
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Number of Service Categories Displayed on the
Same Sign

• Maximum of three service categories shall be
  displayed on the same sign

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Maximum Number of Logo Panels
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Chapter 2G Tourist Oriented Directional Signs
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Arrangement of TODS
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Advance Signs
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Chapter 2H Recreational and Cultural Interest
Area Signs
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Forest Service Symbol Signs
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Chapter 2I Emergency Management Signing
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Title Change

• 1988 MUTCD
• Signing for Civil Defense, Chapter 2J

2000 MUTCD Emergency Management Signing, Chapter
2I
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Design of Evacuation Route Sign