revision 3 march 2018deldot winter workshop february 2018 de mutcd revision 3 de mutcd revision 3 2...
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Revision 3 March 2018
DelDOT Winter Workshop February 2018
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DE MUTCD Revision 3
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DE MUTCD Revision 3
• Biggest change to the 2011 DE MUTCD since Revision 1, December 2012
• A minor update, Revision 2, was issued July 2015
• A major update to the FHWA MUTCD is not expected until 2020 or after
• FHWA Revisions 1 & 2 were issued in May 2012
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Revision 3 Major Themes
• Theme 1: Incorporate DelDOT Interim Guidance memorandums into the DE MUTCD where appropriate
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Revision 3 Major Themes
• Theme 2: Remove overused optional signs from figures
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Part 2 – Signs
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Part 2 – Signs
• DE Options:
– Smaller One-Way signs on multi-lane conventional roads or expressways based on engineering judgment
– Reduced letter height on overhead signs (Interim Guidance)
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Part 2 – Signs
• DE Guidance:
– Minimum spacing between DO NOT ENTER (R5-1) and WRONG WAY (R5-1a) signs should be 300 feet
– Where site conditions make it difficult, a minimum of 200 feet should be provided
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Part 2 – Signs
• DE Options:
– New IT CAN WAIT! USE SERVICE AREA plaque
– Hairpin Curve and Advisory Speed signs (W1-11 and W13-1P)
• Still option, but no longer shown on figure
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Part 2 – Signs
• DE Option:
– Bicycle IN LANE (W11-1-DE) sign replaces the SHARE THE ROAD plaque for bicycle warning
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Part 2 – Signs
• DE Standard:
– Removed use of Clearview font after FHWA terminated Interim Approval
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Part 2 – Signs
• DE Standard:
– Removed standards for Agricultural Guide signs and added reference to separate guidelines
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Part 3 – Pavement Markings
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Part 3 – Pavement Markings
• DE Figures:
– Removed RPMs from turn lanes
– Removed figure for RPM application for Bypass Lane
– Created new figure for RPM application for Two-Way Left-Turn Lane
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Part 4 – Signals
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Part 4 – Signals
• DE Guidance & Standard:
– Backplates should be used to supplement signal heads on mast arms and where an engineering study indicates their need
– Revised to be consistent with Traffic Design Manual
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Part 4 – Signals
• DE Guidance and Figures:
– Additional criteria for landing area
– Revised figures for landing area and extension
OLD NEW
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Part 6 – Temporary Traffic Control
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Part 6 – Temporary Traffic Control
• DE Standard, Option, & Guidance:
– Flagger station locations
• Not on Interstates, Freeways, or Expressways
• May be used in support of emergencies or incidents
• Within 1,500 feet of advance warning sign in moving operations on two-lane, two-way roadways
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Part 6 – Temporary Traffic Control
• DE Option:
– U-Turn Detour Sign
– Smaller Pedestrian Detour Signs
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Part 6 – Temporary Traffic Control
• New Section on Rolling Road Blocks:
– Based on Rolling Road Blocks memorandum
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Part 6 – Temporary Traffic Control
• New Section on Installing/ Removing TTC Devices:
– Based on Installing/Removing Temporary Traffic Control Devices memorandum
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Part 6 – Temporary Traffic Control
• New Section on Aerial Work:
– Based on Aerial Work memorandum
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Part 6 – Temporary Traffic Control
• New Typical Application:
– Turn Lane Closure
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Part 7 – School Areas
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Part 7 – School Areas
• Updated Table and Figures:
– Based on Traffic Control for School Areas memo, corrected overhead sign
– Corrected depiction of flashing beacons on school speed limit signs
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Part 7 – School Areas
• New DE Option allowing school children symbol on R1-5 and R1-5b signs:
– Based on FHWA Official Interpretation for use of schoolchildren symbol on R1-5 or R1-5b sign
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Part 9 – Bicycle Facilities
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Part 9 – Bicycle Facilities
• DE Support, Guidance, & Standard:
– EXCEPT BICYCLES plaque, placed below a regulatory sign, to exempt bicyclists
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Part 9 – Bicycle Facilities
• DE Option:
– As mentioned in Part 2, Bicycle IN LANE (W11-1-DE) sign replaces the SHARE THE ROAD plaque for bicycle warning
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Part 9 – Bicycle Facilities
• DE Guidance:
– Reduce overuse of the Bike Lane sign (R3-17)
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Part 9 – Bicycle Facilities
• DE Option and Guidance:
– Replace application of both sign messages with one sign, RIGHT TURNS YIELD TO BIKES (R4-4-DE)
– Reduce overuse of the sign except for special circumstances
? ?
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Part 9 – Bicycle Facilities
• DE Figures:
– Remove overused optional signs from figures
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Part 9 – Bicycle Facilities
• DE Guidance: – Two new figures for right-turn only
lane treatments
– Based on Right Turn Lane Markings for Bicycles memorandum
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Part 9 – Bicycle Facilities
• New Section and Figures for Bicycle Boxes:
– Based on FHWA Interim Approval and NCUTCD recommendations
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Thank You!
Mark Luszcz, P.E., PTOE
Chief Traffic Engineer
(302) 659-4062