| The Joint Industry and Traffic Engineering Council LED Specification Committee has completed the working group draft of the following new LED Purchase Specifications:
The purpose of this specification is to provide the minimum performance requirements for 300 mm (12 in) LED arrow traffic signal modules (hereafter called module or modules). This specification is not intended to impose restrictions upon specific designs and materials that conform to the purpose and the intent of this specification. This specification refers to definitions and practices described in “Vehicle Traffic Control Signal Heads” published in the Equipment and Materials Standards of the Institute of Transportation Engineers, referred to in this document as “VTCSH.” This specification applies to modules purchased after the effective date of this specification. This specification is not restricted to any specific LED technology.
The purpose of this specification is to provide the minimum performance requirements for the LED “walking person” and “hand” icon pedestrian signal modules (hereafter called module or modules). This specification includes the following three sizes (nominal message bearing surface): 406mm x 457 mm (16 in x 18 in), 305mm x 305mm (12 in x 12 in), and 229 mm x 229 mm (9 in x 9 in). This specification is not intended to impose restrictions upon specific designs and materials that conform to the purpose and the intent of this specification. This specification refers to definitions and practices described in “Pedestrian Traffic Control Signal Indications” published in the Equipment and Materials Standards of the Institute of Transportation Engineers, referred to in this document as “PTCSI.” This specification applies to modules purchased after the effective date of this specification. This specification is not restricted to any specific LED technology.
User Comment Instructions
People who would like to comment on this draft are asked to follow these instructions.
- Refer these Purchase Specifications to the person or persons in your
organization who are most familiar with, and concerned about, traffic management and traffic control equipment. Also refer this MEMO to anyone involved in design, deployment, or operation and maintenance of traffic control systems, including any consultants they may use.
- Review any portion, or all of the user comment drafts. Any comments, however general or specific, will be appreciated.
- Email, mail or fax (in order of preference) your comments to:
Email jcheeks@ite.org
James M. Cheeks, Jr.
Standard Development Manager
Institute of Transportation Engineers
1099 14th. St. NW, Suite 300 West
Washington, DC 20005
Fax. 202-289-7722
- List each of your comments in the following four-part format:
Document: LED Arrow Traffic Signal Modules
Page:
Paragraph or item:
Comment:
Document: LED Pedestrian Traffic Signal Modules
Page:
Paragraph or item:
Comment:
- The ITE comment period for these purchase specifications will close on May 12, 2003. Comments received after the closing date will be accepted, but they may not be included in the next version of the document. Please include your name and mailing address so that your comments can be acknowledged.
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