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| Re: He was in my class (185255) | |||
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Re: He was in my class |
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Posted by Stephen Bauman on Wed Jan 17 01:23:58 2007, in response to Re: He was in my class, posted by Easy on Wed Jan 17 00:53:08 2007. Any state receiving federal highway money must conform to the FHWA's Manual of Uniform Traffic Control Devices (MUTCD). NYS used to publish its own MUTCD but now accepts the FHWA's version. You can get a copy on the web.The objections I gave came from reading the 2003 MUTCD. I can hazard guesses as to why they are there. 1. The stop sign is a regulatory and the two-way traffic sign is a warning. They do not want clutter. Very little is supposed to be at the same location as a regulatory sign. The stop sign's position is supposed to be at the stop line. In addition to the legend on a sign, its shape and location convey information. 2. That's the FHWA's standard. 3. Which is more important the regulatory or the warning sign? A driver's eyes will concentrate on the bigger sign. There are standard sizes for each type of sign. The standard for a street stop sign is 30"x30". There's more than 6" extending beyond the stop sign for the two-way's diamond shape. There's also a regulation that if there are different sized lenses on a stop light, then the red light must be the largest size. Same principle. 4. The reason for using supplemental signs and not placing them on the sign itself is to keep the shape. NYC's Traffic Commissioner is a P.E. and can read the FHWA spec. However, the grunt who puts up the sign and his supervisor aren't. |
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