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Office of Traffic, Safety, and Operations Application Guidelines Regulatory Signs Signing Plan Design (At-Grade) June 20, 2012.

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Presentation on theme: "Office of Traffic, Safety, and Operations Application Guidelines Regulatory Signs Signing Plan Design (At-Grade) June 20, 2012."— Presentation transcript:

1 Office of Traffic, Safety, and Operations Application Guidelines Regulatory Signs Signing Plan Design (At-Grade) June 20, 2012

2 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs2 Application of Regulatory Signs MN MUTCD 2B.1 –Shall be used to inform road users of selected traffic laws or regulations and indicate the applicability of legal requirements. –Shall be installed at or near where the regulations apply. –Shall be installed to provide adequate visibility and legibility in order to obtain compliance

3 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Purpose Generally, the only regulatory sign applications that are discussed in this Section [of the TEM] are those which: 1.Are not specifically addressed in the MN MUTCD; or 2.Provide additional guidance to that given in the MN MUTCD on application, location, and usage of certain types of regulatory signs; or 3.Establish procedures relating to engineering and traffic investigation requirements for certain regulatory signs.

4 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Bypass Lane See Figure 6.17 for typical signing Installed in accordance with: –T-intersection, 30 x 30 BYPASS lane at beginning of –Four-Leg, 30 x 30 BYPASS & TURN LANE sign installed at beginning of taper

5 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Bypass Lane

6 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs ONE WAY Sign 1.36" x 12" –The standard size for conventional highways. –Install it above the 30" x 30 and the 36" x 36" STOP signs and either independently or on traffic signal poles or pedestals at signalized intersections x 18 –Above 36 x 36 STOP signs on all city, township, or county roads and conventional highways intersecting expressways

7 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs7 ONE WAY Sign Placement MN MUTCD 2B.40 –Unsignalized intersections Near right and far left corners –Signalized intersections Near the signal faces On the signal poles On the mast arm or span wire Or at same locations as unsignalized ints

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11 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Typical Sign Placement

12 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Typical Sign Placement

13 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Typical Sign Placement

14 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs14 DO NOT ENTER Sign MN MUTCD 2B.37 –If used, this sign should be placed directly in view of a road user at the point where a road user could wrongly enter a restricted roadway –If the sign would be visible to traffic to which it does not apply, the sign should be turned or shielded from the view of that traffic. –A second sign on the left side of the roadway may be used, particularly where traffic approaches from an intersecting roadway

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18 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs18 WRONG WAY Sign MN MUTCD 2B.38 –May be used as a supplement to the DO NOT ENTER sign –If used, should be placed at a location farther from the crossroad than the DO NOT ENTER sign

19 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Speed Zone Signing Speed zone signs should be installed in the most advantageous locations to promote driver compliance –Speed limit signs shall be placed at the terminal points of each speed zone –When entering a lower speed zone, the first speed limit sign shall be one size larger than the supplemental lower speed zone signs. –Supplemental speed limit signs for lower speed zones may be placed at intervals approximately equal to 60 seconds of travel time at the posted speed.

20 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Speed Zone Signing –Signs should be posted near junctions that are major traffic generators. –Signs may be spaced closer in urban areas due to numerous access points. –Signs may be further apart in rural areas where the character of the roadway remains constant with fewer access points.

21 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Stop Signs –Primary Location 30 x 30 –Install on all two-lane, two-way city, township, or county roads 36 x 36 –Freeway and expressway ramps –Conventional highways –City, township, or county road with more than one through lane of approach to an intersection –All two-lane, two-way county, city, or township roads and conventional highways intersecting expressways

22 Office of Traffic, Safety, and Operations Application Guidelines – Regulatory Signs Stop Signs –Additional Location (left side) Install on any road with more than one through lane of approach to an intersection based on a traffic engineering study. Justification may be based on unusual roadway geometrics, sight restrictions, or crash problems. Sign size shall not exceed the size of the STOP sign on the right side of the road. 30 x 30 minimum Match right side sign size

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