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2008 Experimentation/Interpretation Letters

Archives:

April 2008
Date Item
4/30/08 Request for approval to use the flashing yellow arrow display for permissive left turns on a blanket basis citywide in Santa Clarita, Calif.
4/30/08 Request for approval to use the flashing yellow arrow display for permissive left turns on a blanket basis citywide in Aurora, Colo.
4/15/08 Request for approval to experiment with a series of colored pavement markings that create the illusion of being three-dimensional to attempt to reduce speeds and improve safety on various residential streets in Philadelphia, Pa.
4/15/08 Response to a request for approval to use the RV Friendly symbol on Specific Service Signs.
4/15/08 Response to a letter containing comments in support of a request from the city of Portland, Ore. for approval of experimentation with colored bike lanes and "bike boxes."

March 2008
Date Item
3/31/08 Response to a letter requesting approval to experiment with a band of non-retroreflective colored pavement across the full traveled way width in three locations in Kansas, with the purpose of providing additional warning to road users.
3/31/08 Response to a letter that provides a progress report and requests approval to modify the list of locations for approved experiment 4-319(E) with HAWK Pedestrian Crossing Beacons in Charlotte, N.C.
3/31/08 A letter requesting a change in Section 4E.07 of the MUTCD to allow a pedestrian countdown to be displayed during the pedestrian walk interval, as well as during the pedestrian change interval.
3/31/08 Response to a letter requesting approval to use the flashing yellow arrow display for permissive left turns on a blanket basis citywide in Fort Collins, Colo.
3/31/08 Response to a letter requesting a change to the MUTCD to add a plaque which graphically indicated which approaches are controlled by STOP signs.
3/31/08 Response to a letter transmitting information and "before" crash data for the condition prior-to installation of flashing yellow arrow indications for protected-permissive left-turn movements at a wide-medium intersection in Lafayette, La.
3/26/08 Request for formal approval for the N.D.-DOT to participate in the use of Clearview fonts on state highways in accordance with FHWA Interim Approval
3/24/08 Request for permission to experiment with High Intensity Activated Crosswalk Pedestrian Crossing Beacons at a midblock location in Boise, Idaho
3/18/08 Response to request to experiment with a Bicycle-Motor Vehicle Symbol Warning sign, and SHARE THE ROAD word message plaque.
3/14/08 Response to request to expand an experiment in which bicycle signal heads would be removed and replaced with countdown signal indications appended to the pedestrian signals.
3/10/08 Request to experiement with High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Beacons for a pedestrian crossing in Suwanee, Ga.
3/7/08 Request to experiment with shared-lane symbol pavement markings on several streets in Bethlehem, Pa.
3/5/08 Request for interim approval for the Wash.-DOT to implement the option of displaying up to 12 logo panels for any one specific service type by using no more than two specific service signs in accordance with FHWA's interim approval.
3/5/08 Request for interim approval for Wash.-DOT to implement the option of displaying up-to 12 logo panels for any one specific service type by using no-more-than two Specific Service Signs.

February 2008
Date Item
2/28/08 Response to a letter with concerns regarding the section of the MUTCD that deals with Trail Signs.
2/28/08 Response to a request to expand the scope of the experimentation for the Emergency Vehicle Alert System for Signalized Intersections to additional Michigan intersections.
2/28/08 Letter requesting interim approval for Penn.-DOT to implement the option of displaying up-to 12 logo panels for any one specific service type by using no-more-than two Specific Service Signs.
2/28/08 Letter requesting approval to experiment with fishhook-shaped arrows on lane use control signs and pavement markings for roundabout approaches.
2/26/08 Request for official interpretation of the MUTCD regarding placement of parking signs for persons with disabilities.
2/26/08 Follow-up letter regarding the addition of warning signs for "Autistic Child Area" or "Handicap Child Area" to the MUTCD.
2/26/08 Request to experiment with shared-lane symbol pavement markings on two segments of Marion Ave., in Spartanburg, S.C.
2/22/08 Request for official interpretation of the MUTCD regarding the proper color of delineators used to mark the location of storm drain flared ends within the highway right of way.

January 2008
Date Item
1/31/2008 Request for interpretation regarding the use of LEDs in regulatory and warning signs marketed under the TAPCO name of BlinkerSign.
1/31/2008 Request for interpretation regarding the use of light emitting diodes (LEDs) in regulatory and warning signs and a request to change/add additional language to the MUTCD to clarify the current language for the application of LEDs.
1/29/2008 Request for approval to use the flashing yellow arrow display for permissive left turns on a blanket basis citywide in Chubbuck, Idaho.
1/29/2008 Response to a letter requesting permission to experiment with shared-lane symbol pavement marking on various streets in Columbia, MO.
1/29/2008 Response to a request to use the flashing yellow arrow display for permissive left turns on a blanket basis citywide in La Habra, Calif.
1/17/2008 Response to a letter asking the FHWA to include optional signs in the MUTCD for an approach to a traffic signal controlled intersection which faces a red signal while an opposing approach has an advance green or green arrow turn displayed (Bethlehem, PA).
1/8/2008 Request for official interpretation of the MUTCD regarding the meaning of a solid white lane line as it applies to a specific intersection approach where a motor vehicle crash occured (Green Bay, WI).

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