Chapter 2B - MUTCD 2009 Edition - FHWA - Transportation
02 Where engineering judgment determines that slow speeds on a highway might impede the normal and reasonable movement of traffic, the Minimum Speed Limit plaque may be installed below a Speed Limit (R2-1) sign to indicate the minimum legal speed. If desired, the Speed Limit sign and the Minimum Speed Limit plaque may be combined on the R2-4a ...
Chapter 2C - MUTCD 2009 Edition - FHWA - Transportation
01 A Reduced Speed Limit Ahead (W3-5 or W3-5a) sign (see Figure 2C-7) should be used to inform road users of a reduced speed zone where the speed limit is being reduced by more than 10 mph, or where engineering judgment indicates the need for advance notice to comply with the posted speed limit ahead.
Speed Limit Sign and Placement | FHWA - Federal Highway …
Speed Limit signs must be correctly posted to ensure a speed limit is enforceable and to encourage compliance. Typical maximum Speed Limit signs are shown in Figure 3. In North America, the latest editions of the MUTCD and Standard Highway Signs33 should be referenced when developing signing for speed zones.
FHWA - MUTCD - 2003 Edition Revision 1 Chapter 2B - Transportation
A changeable message sign that displays to approaching drivers the speed at which they are traveling may be installed in conjunction with a Speed Limit sign. Guidance: If a changeable message sign displaying approach speeds is installed, the legend YOUR SPEED XX km/h (MPH) or such similar legend should be shown.
Appendix B: 2009 MUTCD Standards for Traffic Control Devices
A Reduced Speed Limit Ahead (W3-5 or W3-5a) sign should be used to inform road users of a reduced speed zone where the speed limit is being reduced by more than 10 mph, or where engineering judgment indicates the need for advance notice to …
The sizes for regulatory signs shall be as shown in Table 2B-1. Guidance: The Freeway and Expressway sizes should be used for higher-speed applications to provide larger signs for increased visibility and recognition. Option: The Minimum size may be used on low-speed roadways where the reduced legend size would be adequate
MUTCD 2009 Standard Regulatory Sign Sizes
2012年5月7日 · 07 Where side roads intersect a multi-lane street or highway that has a speed limit of 45 mph or higher, the minimum size of the STOP signs facing the side road approaches, even if the side road only has one approach lane, shall be 36 x 36 inches.
According to the work order, repairs will take place at a single location, where the traffic is anticipated to be light, less than 50 cars per hour, and the speed limit is 25 mph. The supervisor thinks his crew can finish the repairs within 4 hours.
R2 Series Signs - Speed Regulation - Traffic Sign
R2 Series Signs - Speed Regulation R2-1 Speed Limit png pdf* layout MUTCD R2-2P Truck Speed (plaque) png pdf* layout MUTCD R2-3P Night Speed (plaque) png pdf* layout ... MUTCD R2-12 End Work Zone Speed Limit png pdf layout MUTCD * Sign legend in PDF file is user-editable. Problems with viewing or editing the PDFs? Download and open them in ...
Procedures For Setting Advisory Speeds On Curves - Safety
2014年10月15日 · Limit the number of devices used at a given curve. A table in the MUTCD 2003 edition that related sign usage to the advisory speed and number of alignment changes has been replaced by a completely new table that relates sign usage to the difference between the speed limit and the advisory speed.