Skip to main content

Placeholder for DelDOT Banner Alerts

Delaware.gov logo

Delaware Department of Transportation

Traffic Control Manual

Note: This Manual is only valid for projects that were bid that specifically required this Manual be followed. All other projects, new contracts, maintenance work, utility work or any other activities etc. shall use the Delaware Manual on Uniform Traffic Control Devices, Part 6, Temporary Traffic Control.

Traffic Controls for Street and Highway Construction, Maintenance,and Utility Operations

  • Full Manual
  • Revisions to this Manual
  • Subchapter G, Part 630
    • FHWA Directive
    • Purpose
    • Contents of the Agency Procedures
    • Responsible Person
  • Section A - Introduction and General Specifications
    • A-1 - Need for Standards
    • A-2 - Scope
    • A-3 - Application of Standards
    • A-4 - Responsibility
    • A-5 - Incident Management
    • A-6 - TCP
    • A-7 - Training
  • Section B - Signs
    • B-1 - Design of Signs
              - Reflective Sheeting Specifications
    • B-2 - Position of Signs
    • B-3 - Erection of Signs
  • Regulatory Signs
    • B-4 - Authority
    • B-5- Design
    • B-6 - Application
    • B-6A - Permanent Sign
    • B-6B - Temporary Sign
    • B-7 - Road, Bridge, or Railroad (Street Closed Sign) (R11-2)
    • B-8 - Local Traffic Only Signs (R11-3, R11-4)
    • B-9 - Weight Limit Signs (R-12 Series)
    • B-10 - Do Not Pass Sign (R4-1)
    • B-11 - Keep Right Sign (R4-7a)
    • B-12 - Keep Left Sign (R4-8a)
    • B-13 - Special Regulatory Signs
  • Warning Signs
    • B-14 - Function
    • B-15 - Design and Application
    • B-16 - Application of Construction Approach
  • Temporary Warning Signs
    • B-17 - Use and Application of Temporary
    • B-17-A - Flags
    • B-18 - Large Arrow Sign (W1-6,7)
    • B-19 - Advance Road or Utility Construction Sign (W20-1)
    • B-20 - Advance Detour Sign (W20-2)
    • B-21 - Advance Road Closed Sign (W20-3)
    • B-22 - Advance One Lane Road Sign (W20-4)
    • B-23 - Advance Lane Closed Sign (W20-5)
    • B-24 - Advance Merge Sign (W20-6)
    • B-25 - Advance Flagger Sign (W20-7)
    • B-26 - The Two-Way Traffic Sign (W6-3)
    • B-27 - Workers Sign (W21-1)
    • B-28 - Fresh Oil Sign (W21-2)
    • B-29 - Road Machinery Sign (W21-3)
    • B-31 - Shoulder Work Ahead Sign (W21-5)
    • B-32 - Survey Crew Sign (W21-6)
    • B-33 - Signs for Blasting Areas
    • B-34 - Blasting Zone Sign (W22-1)
    • B-35 - Turn Off 2-Way Radios and Cellular Telephones Sign (W22-2)
    • B-36 - End Blasting Zone Sign (W22-3)
    • B-37 - Road Narrows Sign (W5-1)
    • B-38 - Bump Sign (W8-1)
    • B-39 - Dip Sign (W8-2)
    • B-40 - Soft Shoulder Sign (W8-4)
    • B-41 - Truck Crossing Sign (W11-1)
    • B-42 - Low Shoulder Sign (W8-4-1)
    • B-43 - Uneven Pavement Joints Sign (W8-9)
    • B-44 - Advisory Speed Plate (W13-1)
    • B-45 - Other Warning Signs
  • Guide Signs
    • B-46 - Function and Design of Information and Guide Signs
    • B-47 - Length of Road Work Sign (G20-1)
    • B-48 - End Roadwork Sign (G20-2)
    • B-49 - Fines Doubled in Work Zone and End of Work Zone
    • B-50 - Detour Arrow Sign (M4-9) Section (M4-10)
  • Section C - Barricades, Cones, Etc.
    • C-1 - Barricades
    • C-2 - Characteristics
    • C-3 - Markings
    • C-4 - Barricade Construction
    • C-5 - Barricades and Channeling Devices
    • C-6 - Vertical Difference
    • C-7 - Storage of Equipment and Materials
    • C-8 - Traffic Cones
    • C-9 - Flexible Guide Markers
    • C-10 - Vertical Panels
    • C-11 - Plastic Drums
    • C-12 - Portable Concrete Curb Barrier
    • C-13 - P.C.C. Barrier 6' Curve Section
    • C-14 - Portable Concrete Barrier End Protection
    • C-15 - Sand-Filled Plastic Barrels
    • C-16 - Application of (Drums and Cones)
    • C-17 - Placement of (Drums and Cones)
    • C-18 - Traffic Cones, Flexible Guide Markers, Vertical Panels, and Drums
    • C-19 - Type III Barricades
    • C-20 - Signs on Barricades
    • C-21 - Maintenance or Utility Activities
    • C-22 - Table II
  • Section D - Lighting Devices
    • D-1 - Function
    • D-2 - >Electric Lights
      1. Flood Lights
      2. Hazard Identification Beacons
    • D-3 - Lanterns or Flares
    • D-4 - Warning Lights
    • D-5 - General Requirements - Barricade Lights
    • D-6 - Testing Quality and Marking
    • D-7 - Lights on Channelizing Devices (This section is being modified. Get more info)
    • D-8 - Lights on Signs
    • D-9 - Non-directional Reflective Panel
    • D-10 - Traffic Control Signals
    • D-11 - Portable Traffic Signal Operation
    • D-12 - Flashing Lights on Vehicles
    • D-13 - Changeable Message Sign
    • D-14 - Crash Cushions
    • D-15 - Truck Mounted Attenuator (TMA)
    • D-16 - Shadow Vehicles
    • D-17 - Arrowpanels
  • Section E - Control of Traffic Through Work Areas
    • E-1 - Function
    • E-2 - Hand Signaling Devices
    • E-3 - Flaggers
    • E-4 - Flagging Procedures
    • E-5 - Flagger Stations
    • E-6 - One Way Traffic Control
    • E-7 - Flagger Control
    • E-8 - Flag Carrying or Official Car
    • E-9 - Pilot Car
    • E-10 - Traffic Signs
    • E-11 - Pavement Markings
  • Definitions
    1. Existing Pavement Markings
    2. Application at Work Areas
    3. Specification for Removable Preformed Retroflective Pavement Marking for Construction, Maintenance, and Utility Work Zones
      1. General
      2. Requirements
    4. Temporary Markings
    5. Marking Installation
      1. General
      2. Centerline
      3. Lane Line
      4. Edge Line
      5. Raised Pavement Markers (RPM's)
  • Section F - Expressways and Limited Access Facilities
    • F-1 - Application of Standards
    • F-2 - Signs
    • F-3 - Barricades and Channelization
    • F-4 - Lighting Devices
    • F-5 - Flags
    •   - Notes
  • Section G - Typical Application of Traffic Control Devices
    • Case 1 - Two-Lane, Two-Way Traffic - Day or Night Over 6 feet from Edge of Pavement
    • Case 2 - Two-Lane, Two-Way Traffic - Day or Night Shoulder Closure
    • Case 3 - Two-Lane, Two-Way Traffic - Daytime Only Lane Closure
    • Case 3-A - Two-Lane, Two-Way Traffic Moving Daytime Operations
    • Case 4 - Two-Lane, Two-Way Traffic - Day or Night Lane Closure, exceeding 1 daylight period
    • Case 5 - Two-Lane, Two-Way Traffic Shoulder Moving Daytime Operations
    • Case 5-A - Two-Lane, One-Way Traffic Mowing Daytime Operation
    • Case 5-B - Two-Lane, Two-Way Traffic Mowing Daytime Operation
    • Case 6 - Two-Lane, Two-Way Traffic Moving Daytime Operations - Lane Closure
    • Case 7-A - Two-Lane, Two-Way Traffic - Daytime Only Short Time Lane Closure - Heavy Traffic
    • Case 7-B - Two-Lane, Two-Way Traffic - Daytime Only Short Time Lane Closure - Light Traffic
    • Case 7-C - Two-Lane, Two-Way or Multilane - Daytime Only Short Time Shoulder Closure
    • Case 7-D - Two-Lane, Two-Way or Multilane - Daytime Only Short Time Shoulder Closure - > 20 Minutes
    • Case 8 - Moving Operations (Greater Than 4 MPH) Daytime Operations Only
    • Case 8-A - Two-Lane, Two-Way Traffic - Daytime Only Moving Operation
    • Case 8-B - Two Lane, One-Way - Daytime Only Moving Operation
    • Case 8-C - Multilane, Center Lane(s) - Daytime Only Moving Operation
    • Case 9 - Two-Lane, Two-Way Traffic - Day or Night Lane Closure on Bridge Deck
    • Case 10 - Stationary Short-term Portable Traffic Signal Operation - on Two-Lane, Two-Way Traffic
    • Case 10-A - Two-Lane, Two-Way Traffic - Day or Night Temporary Detour (Heavy Traffic)
    • Case 10-B - Two-Lane, Two-Way Traffic - Day or Night Temporary Detour (Light Traffic)
    • Case 11 - Two-Lane, Two-Way Traffic - Day or Night Widening of Pavement
    • Case 12 - Two-Lane, Two-Way Traffic - Day or Night Lane Closures in Series
    • Case 13 - Multilane, Divided, Highway - Day or Night (over 6 feet from edge of pavement)
    • Case 14 - Multilane, Divided, Highway - Day or Night Shoulder Closure
    • Case 15-A - Two-Lane, Two-Way Traffic - Day or Night Detour
    • Case 15-B - Two-Lane, Two-Way Traffic - Day or Night Urban Detour
    • Case 16 - Multilane, Divided Highway - Lane Closure Exceeding One Daylight Period
    • Case 17 - Day or Night Crosswalk Closures and Pedestrian Detours
    • Case 18 - Multilane, Divided, Highway - Day or Night Detour (Undivided Highway)
    • Case 19-A - Multilane, Divided, Highway Lane Closure Extreme Emergency Only Truck MUST Have Arrow Panel
    • Case 19-B - Multilane, Divided, Highway Lane Closure - Emergency
    • Case 20 - Multilane, Divided, Highway - Day or Night Lane Closure - Fixed Worksite
    • Case 21 - Two-Way Traffic - Daytime Only Moving Operations Bituminous Surface Treatment
    • Case 22 - Multi-Lane, Divided, or Undivided - Daytime Only Moving
    • Case 23 - Two-Lane, Two-Way or Multi-Lane - Day or Night  Advance Warning Signs for
    • Case 24 - Blasting Zone
    • Case 25 - Multilane Limited Control for Interstates and Highways - Heavy Traffic Typical Application - Controlled Access Roadway or Interstate System
    • Case 26 - Multilane Limited Control for Interstates and Highways - Light Traffic Typical Application - Controlled Access Roadway or Interstate System
    • Case 27 - Multilane Limited Control for Interstates and Highways - Short Duration less than a day Typical Application - Controlled Access Roadway or Interstate System
    • Case 28 - Multilane Limited Control for Interstates and Highways - Short Duration less than a day Typical Application - Controlled Access Roadway or Interstate System
    • Case 29 - Multilane Limited Control for Interstates and Highways - Short Duration less than a day On Ramp Before Work Area Typical Application - Controlled Access Roadway or Interstate System
    • Case 30 - Multilane Limited Control for Interstates and Highways - Short Duration less than a day Off Ramp Before Work Area Typical Application - Controlled Access Roadway or Interstate System
    • Case 31 - Multilane Limited Control for Interstates and Highways - Light Traffic For Stop & Go or Slow Moving Detours Typical Application - Controlled Access Roadway or Interstate System
    • Case 32 - Multilane Limited Control for Interstates and Highways - Light Traffic For Stop & Go or Slow Moving Detours Typical Application - Controlled Access Roadway or Interstate System
    • Case 33 - Multilane Limited Control for Interstates and Highways - Shoulder Work - Off Shoulder Typical Application - Shoulder Work on Controlled Access Roadway or Interstate
    • Case 33A - Multilane Limited Control for Interstates and Highways - Shoulder Work - On Shoulder Typical Application - Shoulder Work on Controlled Access Roadway or Interstate
    • Case 34 - Two-lane, Two-way or Multilane Traffic Daytime Operations Only Short Time Operations
    • Case 35 - Two-lane, Two-way or Multilane Traffic Daytime Operations Only Short Time Operations
    • Case 36 - Multilane Limited Control for Interstates and Highways - Light Traffic Work Areas On Ramps - Daytime Operations Only Typical Application - Controlled Access Roadway or Interstate System


 ADA Information
+