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Delaware General AssemblyDelaware RegulationsMonthly Register of RegulationsNovember 2017


Regulatory Flexibility Act Form

Authenticated PDF Version

(17 Del.C. §134, 141 and 21 Del.C. Ch. 41)
2 DE Admin. Code 2402
Justification: Clarified approval process for traffic control devices that do not comply with standard statements.
Justification: Concept of bicycle box is being introduced into the DE MUTCD.
Justification: Excessively large ONE WAY signs takes away from the visibility and message of the STOP sign on the minor street approach and other more important sign messages.
Justification: Updated text to reflect the FHWA official interpretation of the R1-5 series.
Justification: Numerous instances across the state where DO NOT ENTER AND WRONG WAY signs are being installed too close together.
Justification: Revised to reflect use of educational plaque
Justification: Revised to reduce potential confusion regarding sign designations for the Duck Crossing (originally W11-11-DE) sign and the Golf Cart (W11-11) sign.
Justification: W11-1R and W13-1P signs are often misused based on their depiction in Figure 2C-3d
Justification: Updated to reflect DelDOT’s desire to discontinue the use of the Share the Road plaque.
Justification: FHWA rescinded use of Clearview font.
Justification: Sign provides guidance regarding the distance to Park & Rides serving the DART Beach Bus
Justification: Smaller letter heights are sufficient to convey information to motorists and problems with mounting large signs on signal mast arms and span wires.
Justification: Revised to reflect current practices; TRAFFIC PROBLEMS conveys are more comprehensive message compared to DISABLED VEHICLES.
Justification: Standards for Agricultural Tourism signs have been modified.
Justification: Excessive use of RPMs along conventional roadways; clarification needed for usage of RPMs along two-way left-turn lanes.
Justification: Added Bicycle Boxes based on recommendations from the NCUTCD.
Justification: Experience with use of two-inch retroreflective borders on backplates have shown superior improvements in conspicuity compared to thinner borders.
Justification: Corrected issues with landing areas in Figure 4E-4. Updated for current practice in Delaware for Figure 4E-3.
Justification: Reflects DelDOT’s current standard practice.
Add reference to AASHTO’s Manual for Assessing Safety Hardware (MASH) when referring to NCHRP Report 350
Justification: AASHTO’s MASH is an update to NCHRP Report 350
Justification: Reflects DelDOT’s current standard practice.
Justification: There have been reports that motorists have confused pedestrian / bicycle detour signs for vehicular detour signs. The smaller version of these signs for pedestrians / bicyclists are intended to reduce driver confusion
Justification: Text updated to reflect DelDOT’s current standard practice to discontinue the use of the Share the Road plaque, as discussed in the Bicycle Warning Sign and Share the Road Plaque memorandum.
Justification: Reflects DelDOT’s current standard practice.
Justification: Reflects DelDOT’s current standard practice.
Update text to include reference to Traffic Control Within Intersections memorandum.
Justification: The memorandum describes DelDOT’s current standard practice.
Justification: Reflects DelDOT’s current standard practice.
Create new section based on Interim Guidance – Rolling Road Blocks memorandum.
Justification: The memorandum describes DelDOT’s current standard practice.
Create new section based on Interim Guidance – Installing and Removing TTC Devices memorandum.
Justification: The memorandum describes DelDOT’s current standard practice.
Create new section based on Interim Guidance – Aerial Work memorandum.
Justification: The memorandum describes DelDOT’s current standard practice.
Justification: Modifications to regulatory signs (e.g., new STOP signs and new intersection traffic control types/operations), albeit temporary, require DelDOT Traffic’s formal approval and Traffic Control Device Authorization.
Justification: A right-turn lane closure is a very common MOT application; yet, TA-21 is primarily intended for thru lane applications and TA-23 is a relatively uncommon double left-turn lane closure.
Justification: The former sign dimensions erroneously depicted the stop line as the primary point of measure; however, the beginning of the turn lane closure taper is the appropriate reference point.
Justification: Previously, sign read “School Speed XX Limit When Flashing”. Sign has been updated to read “School Speed Limit XX When Flashing” as described in Interim Guidance – Overhead School Speed Limit XX When Flashing Sign memorandum.
Justification: Flashing beacons on school speed limit sign assembly has been updated to comply with MUTCD standards. Previously, both flashing beacons were located on top of the assembly, an arrangement which should only be used at railroad crossings.
Justification: Updated text to reflect the FHWA official interpretation of the R1-5 series described in FHWA Official Interpretation – R1-5 Sign memorandum.
Justification: Added plaque based on recommendations from the NCUTCD Except Bicycles Plaque and FHWA Interim Approval #18 memorandums.
Justification: New Bicycle IN LANE warning sign added based on DelDOT’s current practice. Text updated to reflect DelDOT’s current standard practice to discontinue the use of the Share the Road plaque, as discussed in the Bicycle Warning Sign and Share the Road Plaque memorandum.
Justification: Reduce overuse of signs.
Justification: Application of both sign messages was confusing.
Justification: Signs allow a new classification of bicycle facilities.
Justification: Optional signs shown on figures have led to the overuse of optional signs.
Justification: Figure is no longer needed since the use of raised pavement markers is changing in Part 3 and will no longer be used along dotted lines.
Justification: Clarified Guidance statement.
Justification: Text and figures added to depict common practice in Delaware for right-turn lane treatments where space does not exist to provide a dedicated bicycle lane to the left of a right-turn only lane, as described in the Interim Guidance; Part 9, Right-Turn Lane Markings for Bicycles memorandum.
Justification: Added Bicycle Boxes based on recommendations from the NCUTCD Bicycle Box and FHWA Interim Approval #18 memorandums.
*Please Note: Due to the size of the proposed regulation, the Delaware Manual on Uniform Traffic Control Devices is not being published here. A PDF version is available at the following location:
Last Updated: December 31 1969 19:00:00.
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