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Chapter 2B: Regulatory Signs

Chapter 2B: Regulatory Signs

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Chapter 2B: Regulatory Signs

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  1. Millennium EditionSummary of Changes Chapter 2B: Regulatory Signs

  2. 1988 MUTCD Text indicating that all regulatory signs shall be retroreflective or illuminated is in Sections 2A-8 and 2B-1. 2000 MUTCD Discussion on sign retrorefleclivity & illumination remains in Section 2B.01 Retroreflection & Illumination

  3. 1988 MUTCD Not in MUTCD. 2000 MUTCD Explanation of when various sign sizes should be used based on roadway classification. Sign Sizes Section 2B.03 Yellow Text Denotes a Standard

  4. 1988 MUTCD Not in MUTCD. 2000 MUTCD Table 2B.1 added which shows sign codes, road classification, and applicable MUTCD sections. Section 2B.03 Regulatory Sign Sizes Table 2B-1 Yellow Text Denotes a Standard

  5. 1988 MUTCD The 4-WAY supplemental plaque is recommended at intersections controlled by a STOP sign. 2000 MUTCD Requires the use of the 4-WAY supplemental plaque (R1-3) at intersections controlled by STOP signs. Section 2B.04 4-WAY Supplemental Plaque Yellow Text Denotes a Standard

  6. 1988 MUTCD Title is “Warrants for Stop Signs.” Section 2B-5 2000 MUTCD Title changed to “Stop Sign Applications” Section 2B-05 Stop Sign Application Yellow Text Denotes a Standard

  7. 1988 MUTCD Not in MUTCD 2000 MUTCD Add GUIDANCE to describe the appropriate street to stop traffic in a 2-way STOP situation and to recommend the use of engineering judgement. Section 2B.05 TWO-WAY STOP CONTROL Yellow Text Denotes a Standard

  8. 1988 MUTCD Not in MUTCD. 2000 MUTCD Considerations when deciding which street to install STOP signs where 2 streets have equal volumes. Section 2B.05 TWO-WAY STOP CONTROL Yellow Text Denotes a Standard

  9. 2000 MUTCD Restrictions for the use of STOP signs also applies to Multi-way Stop Signs. Section 2B.05 STOP SIGN APPLICATIONS • 1988 MUTCD • Not in MUTCD. Yellow Text Denotes a Standard

  10. 1988 MUTCD A Stop sign may be supplemented with a Stop line. Section 2B-9 2000 MUTCD Stop lines should be located at the point where the road user should stop. Section 2B.06 STOP SIGN PLACEMENT Yellow Text Denotes a Standard

  11. 1988 MUTCD 1988 MUTCD shows the STOP sign placement in the typical drawings. 2000 MUTCD Add text that if only one STOP sign is installed, it should not be placed on the far-side of the intersection. Section 2B.06 STOP SIGN PLACEMENT Yellow Text Denotes a Standard

  12. 1988 MUTCD Not in MUTCD. 2000 MUTCD Guidance added to recommend an engineering study to determine when to install multi-way stop signs. Section 2B.07 MULTI-WAY STOPS Yellow Text Denotes a Standard

  13. 1988 MUTCD Uses term “warrants” Optional condition Section 2B-6 2000 MUTCD Use “engineering study” The criteria should be considered for multi-way stop sign installation. Section 2B.07 Engineering Study Criteria for Multi-Way Stops Yellow Text Denotes a Standard

  14. 1988 MUTCD Total vehicle volume entering the intersection from the major street approach averages at least 500 vehicles per hour for any 8 hours of an average day. Section 2B.07 2000 MUTCD Total vehicle volume from the major street approach (total of both approaches) averages at least 300 vehicles per hour…. Section 2B.07 Minimum Vehicle Volume Criteria Yellow Text Denotes a Standard

  15. 1988 MUTCD Combination volume studies only include vehicles and pedestrians. Section2B-6 2000 MUTCD Add bicycle volumes to combination volume studies of vehicles and pedestrians from the minor approach (total of both approaches).. Section 2B.07 Combined Volume Criteria Yellow Text Denotes a Standard

  16. 1988 MUTCD Not in MUTCD. 2000 MUTCD Provide means to combine criteria for accident experience and volume counts. (80% of min. values) Section 2B.07 Multi-Way Stop Signs Yellow Text Denotes a Standard

  17. 1988 MUTCD Discussion on design application, and placement was not separated in the 1988 edition. Section 2B-7 2000 MUTCD Separate the discussion on design, application, and placement of Yield Signs Yield Sign (2B.08) Yield Sign Applications (2B.09) Yield Sign Placement (2B.10) Yield Signs Yellow Text Denotes a Standard

  18. 1988 MUTCD Section 2B.8 uses the term “Yield Sign Warrants.” Section 2B-8 2000 MUTCD Revise this misunderstood term to “Yield Sign Applications” and listing the criteria to consider for installation. Section 2B.09 Yield Sign Applications Yellow Text Denotes a Standard

  19. 1988 MUTCD Yield signs should be located as close as practical to the intersection it regulates. Section 2B-9 2000 MUTCD Yield signs shall be located as close as practical to the intersection it regulates. Section 2B.10 Yield Sign Placement Yellow Text Denotes a Standard

  20. 1988 MUTCD Yield signs should not be used on the through roadway of expressways. Section 2B-8 2000 MUTCD Delete this sentence. Yield Sign Placement Yellow Text Denotes a Standard

  21. 1988 MUTCD Not in MUTCD 2000 MUTCD Support statement added to clarify metric supplemental plaque is yellow background with black legend. Section 2B.11 Speed Limit Sign Yellow Text Denotes a Standard

  22. 1988 MUTCD Truck Speed Limit text found in 2B-10 Speed Limit Sign. The “Trucks 40” legend appears to be appropriate for use as a “stand alone” independent sign. Section 2B-10 2000 MUTCD Added as separate section Clarify this sign is a supplemental plaque required for use below Speed Limit sign or included within R2-1 sign. Section 2B.12 Truck Speed Limit Sign Yellow Text Denotes a Standard

  23. 1988 MUTCD Not in MUTCD 2000 MUTCD “Changeable message sign that changes for traffic and ambient conditions may be installed…” Section 2B.11 Speed Limit Signs Yellow Text Denotes a Standard

  24. 1988 MUTCD Found in 2B-14 Not in MUTCD. Not in MUTCD. Section 2B-14 2000 MUTCD Added separate section. Optional methods for advising road users of speed limit change ahead. Supplemental plaques should have white background w/ black legend and border. Section 2B.16 Reduced Speed Ahead Signs Yellow Text Denotes a Standard

  25. 1988 MUTCD Turn Prohibition and U-Turn Prohibition Signs were 2 separate sections. Sections 2B-15 & 2B-16 2000 MUTCD Combine these 2 sections. Section 2B.17 Turn Prohibition Signs Yellow Text Denotes a Standard

  26. 1988 MUTCD Turn Prohibition signs should be used to indicate intersection turns that are prohibited or restricted. Section 2B.15 2000 MUTCD Except as noted in Option Where turns are prohibited, Turn Prohibition signs shall be installed. Section 2B.17 Turn Prohibition Signs Yellow Text Denotes a Standard

  27. 1988 MUTCD Not in MUTCD. 2000 MUTCD Optional text added “Where ONE WAY signs are used, Turn Prohibition signs may be omitted.” Section 2B.17 Turn Prohibition Signs Yellow Text Denotes a Standard

  28. 1988 MUTCD Installing Turn Prohibition signs adjacent to a signal face is an OPTION. Section 2B15 2000 MUTCD Installing Turn Prohibition sign adjacent to a signal face remains an option. Section 2B.17 Turn Prohibition Signs Yellow Text Denotes a Standard

  29. 1988 MUTCD Not in MUTCD 2000 MUTCD In addition to mounting the Turn Prohibition signs adjacent to overhead signals, this sign may be post-mounted. Section 2B.17 Turn Prohibition Sign Yellow Text Denotes a Standard

  30. 1988 MUTCD Not in MUTCD. 2000 MUTCD New sign (R3-5a) is used to notify road user to stay in the same lane to proceed straight through the intersection. Sections 2B-19 Mandatory Movement Lane Control Signs Yellow Text Denotes a Standard

  31. 1988 MUTCD Not in MUTCD. 2000 MUTCD Text added that when Mandatory Movement Lane Control signs are installed, appropriate pavement markings may also be installed. Section 2B.19 Mandatory Movement Lane Control Signs Yellow Text Denotes a Standard

  32. 1988 MUTCD Not in MUTCD 2000 MUTCD Where the number of through lanes is 2 or less, the R3-5, R3-6, or R3-8 signs may be either overhead or ground mounted. Section 2B.18 Intersection Lane Control Signs Yellow Text Denotes a Standard

  33. 1988 MUTCD Not in MUTCD. 2000 MUTCD When used Intersection Lane Control signs should be mounted overhead. Section2B.18 Intersection Lane Control Signs Yellow Text Denotes a Standard

  34. 1988 MUTCD Not discussed as a separate section Section 2B-17 2000 MUTCD New section that specifically addresses application and placement for mandatory movement lane control signs (R3-5, R3-5a and R3-7) Section2B.19 Mandatory Movement Signs

  35. 1988 MUTCD Placement location is not clearly stated. Section 2B19 2000 MUTCD Clarifies that word message “LEFT LANE MUST TURN LEFT” (R3-7) shall be ground- mounted only. Section2B.19 Mandatory Movement Signs Yellow Text Denotes a Standard

  36. 1988 MUTCD Not in MUTCD 2000 MUTCD New design standard for the “LEFT OR RIGHT TURN ONLY” (R3-5) symbol sign. Section 2B.18 & 2B.19 Mandatory Movement Signs Yellow Text Denotes a Standard

  37. 1988 MUTCD The R3-6 sign is discussed in the same section with the mandatory movement signs. Section 2B-17 2000 MUTCD Separate section to discuss “Optional Movement” R3-6 symbol sign. Section 2B.20 Optional Movement Signs Yellow Text Denotes a Standard

  38. 1988 MUTCD The specific location of the Optional Movement (R3-6) sign is not stated. Section 2B-17 2000 MUTCD If used, the Optional Movement (R3-6) sign shall be installed at the intersection location. Section2B.20 Optional Movement Signs Yellow Text Denotes a Standard

  39. 1988 MUTCD Not in MUTCD. 2000 MUTCD The Optional Movement Lane Control (R3-6) sign shall indicate all permissible movements from specific lanes. Section 2B.20 Optional Movement Sign Yellow Text Denotes a Standard

  40. 1988 MUTCD The “Double Turn Lane-Use Control” (R3-8) Sign is not specified for use in advance of intersections. Section 2B-17 2000 MUTCD The “Double Turn Lane-Use Control” (R3-8) Sign is classified as an advance intersection sign. Section 2B.21 Advance Intersection Lane-Use Control Signs Yellow Text Denotes a Standard

  41. 1988 MUTCD Not in MUTCD. 2000 MUTCD Added new section on “Reversible Lane Control Signs.” Section2B.21 Reversible Lane Control Signs Yellow Text Denotes a Standard

  42. 1988 MUTCD Not in MUTCD. 2000 MUTCD New reversible lane control signs (R3-9c to R3-9i) have been added. Section 2B.23 New Reversible Lane Control Signs

  43. 1988 MUTCD Does not indicate that reversible lane control signs may be designed as changeable messages. 2000 MUTCD Reversible Lane Control signs may be either static or changeable message type. Section2B.23 Reversible Lane Control Signs Yellow Text Denotes a Standard

  44. 1988 MUTCD Not in MUTCD. 2000 MUTCD When ground-mounted Reversible Lane Control signs are used, they shall be used as a supplement to overhead signs or signals. Section2B.23 Reversible Lane Control Signs Yellow Text Denotes a Standard

  45. 1988 MUTCD Not in MUTCD 2000 MUTCD If a traffic engineering study determines that lane use control signals or barriers are not needed, overhead lane use control signs shall be used. Section 2B.23 & Figure 2B-1 Reversible Lane Control Signs Yellow Text Denotes a Standard

  46. 1988 MUTCD Not in MUTCD. 2000 MUTCD 3 conditions to meet for reversing traffic flow using pavement markings and signs. Section 2B.23 Reversible Lane Control Signs Yellow Text Denotes a Standard

  47. 1988 MUTCD Not in MUTCD 2000 MUTCD Table 2B-2 states to the meaning of symbols and legends on Reversible Lane Control Signs. Section2B. 23 Reversible Lane Control Signs Yellow Text Denotes a Standard

  48. 1988 MUTCD Not in MUTCD. 2000 MUTCD New R3-9g and 9h advance signs inform road users of reversible lane boundaries; R3-9i is for use at the end of reversible lane. Section 2B.23 Reversible Lane Control Signs

  49. 1988 MUTCD Not in MUTCD. 2000 MUTCD Turn Prohibition signs shall be mounted overhead and separate from Reversible Lane Control signs. Section 2B.23 Reversible Lane Control Signs Yellow Text Denotes a Standard

  50. 1988 MUTCD Not in MUTCD. 2000 MUTCD For added emphasis, a message stating the distance of the Turn Prohibition (ex, NEXT 1 MILE) should be included. Section2B.23 Turn Prohibition Signs Yellow Text Denotes a Standard