August 2010
	Date		Item
	08/24/10		Response to request for interpretation regarding automatic vehicular and pedestrian gate mechanisms. To read the applicable section of the 2009 MUTCD, click here.
	08/19/10		Response to Pline request for interpretation regarding minimum sign sizes on low-volume roads.
	08/17/10		Response to request for clarification regarding use of higher fines signs in Maryland. To read the incoming request letter, click here.
	08/17/10		Response to request for interpretation of diagonal to vertical stripes on railroad gates. To read the incoming request materials, click here.
	08/12/10		Response to request for interpretation of technical conditions of interim approval for Rectangular Rapid Flashing Beacons in Auburn, WA. To read the incoming request letter, click here.
	08/10/10		Response to request to use Rectangular Rapid Flashing Beacons in Rapid City, S.D. To read the incoming request letter, click here.
	08/10/10		Response to request to use Rectangular Rapid Flashing Beacons in Loveland, Colorado. To read the incoming request, click here.
	08/10/10		Response to request to experiment with advance curve pavement markings in Kentucky. To read the incoming request, click here.
	08/10/10		Response to request to use Rectangular Rapid Flashing Beacons in Olathe, Kansas. To read the incoming request, click here.
	08/10/10		Response to Request to experiment with changeable overhead lane-use signing for active traffic management in Washington state. To read the incoming request, click here.
	08/03/10		Response to request for interpretation regarding conditions of Interim Approval to use RRFB from Western Michigan University. To read the incoming request, click here.

July 2010
	Date		Item
	07/30/10		Response to request for interpretation of the MUTCD - "Accessible Pedestrian Signals and Detectors - Location" in Connecticut. To read the incoming request, click here.
	07/21/10		Response to request to experiment with bike signal heads at the signalized intersection of South Washington Street and South Alfred Street  in Alexandria, Va. To read the incoming request, click here.
	07/21/10		Response to request to use Rectangular Rapid Flashing Beacons on a blanket basis on city-maintained roads in Auburn, Wash. To read the incoming request, click here.
	07/21/10		Response to request to experiment with bike pavement markings in the City of Minneapolis, Minn.
	07/21/10		Response to Request for interpretation of MUTCD from the City of Fort Collins, Colo. To read the incoming request, click here.

June 2010
	Date		Item
	06/08/10		Response to request to experiment with bike boxes in Hennepin County, Minn.
	06/02/10		Response to Request regarding Horizontal Alignment Warning Signs in Wayne Township, NJ. To read the incoming request, click here.

May 2010
	Date		Item
	05/27/10		Response to request to extend IdaSheild Sign Experiment with the Idaho Transportation Department. To read the incoming request, click here.
	05/20/10		Request for interpretation regarding high-visibility safety apparel from the ISEA. To read the incoming request for interpretation, click here.
	05/13/10		Response to Request to extend experiment using colored pavement for exclusive bus lanes in NYC. To read the incoming request, click here.

April 2010
	Date		Item
	04/29/10		Response to request to use RRFB on a blanket basis on the state highway system in North Carolina. To read the incoming request, click here.
	04/23/10		Response to request to use RRFB on a blanket basis on the state highway system in Georgia. To read the incoming request letter, click here.
	04/16/10		Response to request for interpretation - Signing for circumferential highways. To read the incoming request, click here.
	04/15/10		Response to Request to use Rectangular Rapid Flashing Beacons on state highways in Indiana. To read the incoming request, click here.
	04/14/10		Response to request to revise experiment locations using red in-roadway lights at stop lines along certain Metro exclusive busway and light rail transit lines in Los Angeles, Calif. To read the incoming request, click here.
	04/14/10		Response to request to use Rectangular Rapid Flashing Beacons (RRFB) on the state highway system in Florida. To read the incoming request letter, click here.
	04/09/10		Response to request to use Rectangular Rapid Flashing Beacons (RRFB) in Green Bay, Wis. To read the incoming request letter, click here.
	04/07/10		Response to request for interpretation regarding use of a non-cylindrical device. To read the incoming request for interpretation, click here.
	04/01/10		Response to Request to use RRFB in Sandpoint, Idaho. To read the incoming request, click here.
	04/01/10		Response to request for interpretation re: high-visibility apparel for delivery personnel. To read the incoming request for interpretation, click here.
	04/01/10		Response to Request to use RRFB in Janesville, Wis. To read the incoming request, click here.

March 2010
	Date		Item
	03/10/10		Response to request for interpretation - approved emergency flag colors. To read the incoming request, click here.
	03/10/10		Response to request for interpretation - Crossbuck Sign Support Markings. To read the incoming request, click here.
	03/04/10		Letter to Nye County, Nevada regarding Drivers Alert Sign Experiment.
	03/04/10		Response to request to use RRFB in Bellevue, Washington. To read the incoming request letter, click here.
	03/04/10		Response to termination of HAWK Pedestrian Crossing Beacons in the city of Phoenix, Ariz. To read the Advice of Termination of HAWK Pedestrian Crossing Beacons in the city of Phoenix, click here.
	03/03/10		Response to request to use RRFB in Olympia, Washington. To read the incoming request letter, click here.

February 2010
	Date		Item
	02/22/10		NCUTCD recommendations to changes to the MUTCD. To read Attachment 1, click here. To read Attachment 2, click here. To read Attachment 3, click here.
	02/22/10		Response to request for interpretation re: covering out of service signal faces. To read the incoming request, click here.
	02/22/10		Response to request to experiment with colored bicycle lanes in Missoula, Mont. To read the incoming request, click here.
	02/18/10		Response to request to use RRFB statewide in Wisconsin. To read the incoming request, click here.
	02/18/10		Response to request to use RRFB in Thurston County, Washington. To read the incoming request, click here.
	02/18/10		Response to request to use RRFB in Washington state. To read the incoming request letter, click here.
	02/04/10		Response to request to experiment with bicyle boxes and floating bike lanes in Lexington, Ky. To read the incoming request, click here.
	02/04/10		Response to request  letter suggesting signs and pavement marking designs to discourage blockage of a fire station exit onto a public road in South Plainfield, NJ. To read the incoming request, click here.
	02/04/10		Response to request to experiment with bicycle signal indications and bicycle boxes in the District of Columbia. To read the incoming request, click here.

January 2010
	Date		Item
	01/27/10		Response to request to use Rectangular Rapid Flashing Beacons (RRFB) on a blanket basis in the District of Columbia. To read the incoming request, click here.
	01/27/10		Response to request reconsideration of the adopted provision in the Final Rule for the 2009 edition of the MUTCD prohibiting use of the traffic signal display known as the "Dallas" display. To read the incoming request, click here.
	01/13/10		Response to request to use Rectangular Rapid Flashing Beacons (RRFB) at uncontrolled pedestrian and school crosswalks on state highways in Colorado. To read the incoming request letter, click here.

December 2009
	Date		Item
	12/29/09		Response to request to expand ongoing official experimentation - Emergency Vehicle Alert System for Signalized Intersections in the cities of Wyandotte and Taylor, Michigan. To read the request materials from the city of Wyandotte, click here. To read the request materials from the city of Taylor, click here.
	12/10/09		Response to request to use Flashing Yellow Arrow Display for permissive left turns on a blanket basis in the city of Bentonville, Ark. To read the incoming request, click here.
	12/10/09		Response to request to use retroreflective yellow borders on traffic signal backplates statewide in Pa. To read the incoming request, click here.
	12/09/09		Response to request for interpretation of RRFB - Federal Way, Washington. To read the incoming request, click here.
	12/09/09		Response to request to use single yellow center line in Ridgefield, Conn. To read the incoming request, click here.
	12/07/09		Response to recommended changes to the MUTCD from the National Committee on Uniform Traffic Control Devices. To read the incoming material, click here.
	12/03/09		Response to request for interpretation of Section 2B.21 of the MUTCD. To read the incoming request letter, click here.

November 2009
	Date		Item
	11/30/09		National Scenic Byways Signing-Michigan
	11/20/09		Response to request to experiment with non-standard warning sign for wildlife corridors in San Bernadino County, Calif. To read the incoming request letter, click here.
	11/20/09		Response to request for time extension for HAWK experiment at two locations in Tempe, Ariz.. To read the income request letter, click here.
	11/17/09		Response to request for permission to experiment with Shared Lane Markings on 14th Street in Atlanta, Ga. To read the incoming request materials, click here.
	11/17/09		Response to request for official interpretation of the MUTCD - violation line pavement markings in Tucscon, Ariz. To read the incoming request materials, click here.
	11/05/09		Response to request to experiment with Shared Lane Markings, Bike Boxes and Turn Warning Signs in Minneapolis. To read the incoming request, click here.
	11/05/09		Response to request to use HAWK Pedestrian Beacons in Grafton, WI. To read the incoming request letter, click here.
	11/03/09		Response to request to experiment with HAWK Pedestrian Hybrid Beacons in Fort Wayne, Indiana. To read the incoming request memo, click here. To view the accompanying arial, click here. To view the accompanying P & P Sheet, click here.
	11/02/09		Response to request to experiment with Shared Lane Markings - Bikes May Use Full Lane Signs in New Haven, Conn. To read the incoming request, click here.
	11/02/09		Response to Request to use flashing yellow arrows for permissive left turns on all state-maintained highways in Florida. To read the incoming request letter, click here.
	11/02/09		Response to request to experiment with community wayfinding guide signs in Kingsport, Tennessee. To read the incoming request, click here.

October 2009
	Date		Item
	10/23/09		Response to request to revise experiment with HAWK Pedestrian Hybrid Beacons in Ft. Collins, Colorado. To read the incoming request, click here.
	10/23/09		Response to request to experiment with HAWK Pedestrain Hybrid Beacons in Glendale, AZ. To read the incoming request, click here.
	10/22/09		Response to letter from Chester Pettey regarding the use of reference location signs and exit numbering. To read the incoming material, click here.
	10/21/09		Response to request from W. Va. to use 12 logos for one specific service type. To read the incoming request letter, click here.
	10/15/09		Response to request to use Flashing Yellow Arrow Display for permissive left turns on a blanket basis in Lincoln, Nebraska. To read the incoming request letter, click here.
	10/15/09		Response to request to experiment with Right Edge Yellow Line - PDSL - Minneapolis. To read the incoming request, click here.
	10/16/09		Response to request to experiment with Shared Bike Lane Markings in Duluth, Minn. To read the incoming request letter, click here. To read the Bike Lane Analysis, click here. To read the Memorandum from the Minn.-DOT in support of the project, click here. To read the project description, click here.
	10/14/09		Letter to J. Buschlong re: stop signs.
	10/14/09		Ruling - use of Spin Alert Product on U.S. Streets and Highways. To read the incoming request letter and accompanying submission materials, click here.
	10/14/09		Response to final report - Experiment 6-197(E) - New Vertical Panel and Drum Wraps (alternate color). To read the final report, click here.
	10/14/09		Response to request to experiment with Symbol Sign Pedestrian Warning-Trains-Riverside, Calif. To read the incoming request letter, click here. To read the accompanying pedestrian survey, click here. To read Exhibit A and review the proposed signage options, click here.
	10/14/09		Response request to experiment with green background behind bike lane symbol in Nashville, Tenn.  To read the incoming request materials, click here.
	10/09/09		Response to request for interim approval to use 12 specific logos for any one specific service type in Chesapeake Va.  To read the incoming request letter, click here.
	10/09/09		Response to request to use flashing yellow arrow display for permissive left turns statewide in Illinois. To read the incoming request letter, click here.
	10/06/09		Response to Experiment-Driver's Alert Sign-Nye County, Nev.

September 2009
	Date		Item
	09/22/09		Response to request to experiment with pedestrian countdown through yellow interval in Newark, Del. To read the incoming request, click here.
	09/22/09		Response to request to use RRFB in the city of Kirkland, Wash. To read the incoming request, click here.
	09/16/09		Response to Bodin Edge Line Color Inquiry. To read the incoming inquiry materials, click here.
	09/11/09		Response to Request for Expansion of experiment with transverse Speed Reduction Markings at five additional locations in Kansas.  To read the incoming request, click here.
	09/01/09		Response to request to use Rectangular Rapid Flashing Beacons in Maui County, Hawaii. To read the incoming request, click here.
	09/01/09		Response to request for expansion experimentation - HAWK Pedestrian Crossing Beacons in DeKalb County, Ga. To read the state concurrence letter, click here. To read the request for expansion, click here.
	09/01/09		Response to request to use Flashing Yellow Arrows for permissive left turns in Fort Collins, Colo. To read the incoming request, click here.

August 2009
	Date		Item
	08/26/09		Response to request to use RRFB in Deadwood, S.D. To read the incoming request, click here.
	08/26/09		Response to request for approval to use RRFBs statewide in Montana. To read the original request letter, click here.
	08/26/09		Acknowledgement of Oregon-DOT's updated status report on FYA locations experiment. To read the submitted report from the Oregon-DOT, click here.
	08/19/09		Response to request to include four additional HAWK Pedestrian Beacons locations in Phoenix, Ariz. To read the incoming request letter, click here.
	08/19/09		Response to request for permission to experiment with HAWK Pedestrain Hybrid Beacons in the city of Fort Collins, Colo. To read the incoming request letter, click here.
	08/17/09		Response to request for permission to experiment with HAWK Pedestrian Hybrid Beacons in the city of Greenbelt, Md. To read the incoming request letter, click here.
	08/13/09		Response to request for the city of Minneapolis to experiment with Shared Lane Markings and Bicyle Guide Signs at a variety of locations within the city. To review the incoming request from the Minn.-DOT, click here. To read the Minn.-DOT's Memorandum of Review of the City of Minneapolis' request, click here. To read the application from the City of Minneapolis, click here.
	08/13/09		Response to Request to experiment with Strong Yellow Green Bicyle Lane Markings (Bicycle Box) in the City of Austin. To read the incoming request letter dated July 29, 2009 from the Texas-DOT, click here. To read the Application from the City of Austin dated May 5, 2009, click here. To read the incoming request letter from the City of Austin, click here.
	08/13/09		Response to addendum to request to experiment with Shared Lane Markings in four locations in the City of Austin, Texas. To read the incoming request letter dated July 29, 2009 from the Texas-DOT, click here. To read the revised addendum, click here. To read the incoming letter dated May 28, 2009 from the Texas-DOT, click here. To read the incoming request letter from the city of Austin, Texas, click here.

 

July 2009
	Date		Item
	07/17/09		Response to request to use retroreflective yellow borders on traffic signal backplates statewide on state highways in Indiana. To read the incoming request, click here.
	07/17/09		Response to request to experiment with HAWK Pedestrian Crossing Hybrid Beacons in DeKalb County, Ga. To read the incoming request letter and supporting documents, click here.
	07/15/09		Response to revised request to experiment with bike boxes in the City of Columbus, Ohio. To read the incoming revised request letter, click here. To review the application, click here.
	07/15/09		Response to request to use Automated Flagger Assistance Devices (AFADs) on all roadways under the jurisdiction of the Delaware Dept. of Transportation. To read the incoming request letter, click here.
	07/10/09		Response to request to experiment with in-roadway lights in conjunction with the operation of a Priced Dynamic Shoulder Lane (PDSL) on I-35W in Minneapolis. To read the incoming request letter, click here.
	07/08/09		Response to Request to experiment with transverse speed reduction markings in the Town of Underhill, Vt. To read the incoming request letter, click here.
	07/08/09		Response to Request for blanket approval to use Rectangular Rapid Flashing Beacons (RRFB) on a blanket basis in South Burlington, Vt. To read the incoming request letter, click here.
	07/02/09		Response to request for Interim Approval incorporating new symbol for traffic signal photo enforcement by Mo.-DOT. To read the incoming request letter, click here.

June 2009
	Date		Item
	06/25/09		Response to request for permission to experiment with High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Hybrid Beacons in two locations in Ann Arbor and Ypsilanti Michigan. To read the incoming request letter, click here.
	06/24/09		Response to request for permission to experiment with High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Hybrid Beacon in Kimball Township, Mich. To read the incoming request letter, click here.
	06/17/09		Response to request for permission to experiment with Shared Lane Markings and Bicycles May Use Full Lane (BMUFL) signs in the City of Redmond, Wash. To read the incoming request letter and supporting documentation, click here.
	06/10/09		Response to request for permission to experiment with bike boxes in the City of Phoenix, Ariz.  To read the incoming request letter and supporting documents, click here.
	06/09/09		Response to request for permission to experiment with bicycle traffic signal indications and green bike lanes in the City of Long Beach, Calif.  To read the incoming request letter, click here.
	06/03/09		Response to request to expand High Intensity Activated Crosswalk (HAWK) Pedestrain Crossing Hybrid Beacons experiment site to include one additional location in Vancouver, Wash.  To read the incoming request letter, click here.
	06/03/09		Response to request to use Rectangular Rapid Flashing Beacons (RRFB) on a blanket basis at uncontrolled pedestrian and school crosswalk locations statewide in N.Y. To read the incoming request letter, click here.
	06/03/09		Response to request to experiment with a High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Hybrid Beacon in St. Cloud, Minn. To read the incoming request letter, click here.
	06/03/09		Response to request for permission to experiment with Rectangular Rapid Flashing Beacons (RRFB) at uncontrolled pedestrian and school crosswalk locations statewide in Pennsylvania. To read the incoming request letter, click here.

May 2009
	Date		Item
	05/12/09		Response to request for permission to experiment with Shared Lane Markings on three roadway segments in the City of Spokane, Wash.  To read the incoming request letter, click here.
	05/12/09		Response to request for permission to experiment with shared lane markings inside a green five-foot wide bike strip in the center of the right-hand lane in each direction in the city of Long Beach, Calif.   To read the incoming request letter, click here.
	05/08/09		Response to request for permission to experiment with High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Hybrid Beacons at four locations in Ada County, Idaho. To read the incoming request letter, click here.

April  2009
	Date		Item
	04/29/09		Response to Request to experiment with non-standard pedestrian crosswalk sign in DC.  To read the incoming request, click here.
	04/29/09		Response to Request to experiment with HAWK Pedestrian Crossing Beacon in Klamath Falls, Oregon.  To read the incoming request, click here.
	04/21/09		Response to request for Interim Approval be granted to use RRFBs in Clark County, Nev.  To read the incoming request, click here.
	04/16/09		Response to request to expand the number of experimentation sites for 2-592(E) Miami Beach Wayfinding Guide Signs to include locations in the City of Holly Hill.
	04/14/09		Response to Request to experiment with HAWK Pedestrian Beacons at several locations in the District of Columbia. To read the incoming request letter from DDOT, click here.
	04/10/09		Response to requests to expand the number of experimentation sites for Official Ruling No. 2-613(E), Emergency Vehicle Alert System (EVAS) for Signalized Intersections, to two each in the City of Dearborn Heights and Brownstown Township, Wayne County, Mich.  To read the request for Brownstown Township, click here.  To read the request for the city of Dearborn Heights, click here.
	04/08/09		Response to request to experiment with Wayfinding Guide Signs in Cincinnati, Ohio.  To read revised request letter from city of Cincinnati, click here.
	04/08/09		Request to expand the number of experimentation sites for 2-592(E) – Miami Beach Wayfinding Guide Signs to include locations in the city of Punta Gorda, Fla.
	04/08/09		Response to a memorandum transmitting progress reports from three districts of the Idaho Transportation Department for an experiment with flashing yellow arrow signal indications for protected-permissive left turns.

March  2009
	Date		Item
	03/20/09		Response to Request for approval to use Rectangular Rapid Flashing Beacons at one uncontrolled pedestrian crosswalk location in the city of Parma, Idaho. Original request - click here.
	03/12/09		Response to Request to experiment with Pavement Marking dots in highway work zones in Michigan. Original request - click here
	03/11/09		Response to Request to experiment with HAWK Pedestrain Crossing Hybrid Beacon in Juneau, Alaska Original request - click here
	03/11/09		Response to request to experiment with HAWK Pedestrain Crossing Hybrid Beacon at Daboll Street in Providence, R.I. Original request - click here
	03/09/09		Response to Request for Permission to Experiment with Green Bicycle Pavement Markings and special signs in Columbia, Mo. Original request - click here; Supporting documents
	03/05/09		Request for approval to use Rectangular Rapid Flashing Beacons on a blanket basis at uncontrolled pedestrian and school crosswalk locations in the city of Concord, N.H. Original request - click here
	03/05/09		Request for approval to use Rectangular Rapid Flashing Beacons on a blanket basis at uncontrolled pedestrian and school crosswalk locations in the city of Kennewick, Wash. Original request - click here
	03/05/09		Response to an e-mailed recommendation for a change to the MUTCD regarding Retroreflectivity for longitudinal pavement markings Original request - click here
	03/05/09		Request for official interpretation of Item F of the second standard statement in Section 4D.15 of the MUTCD. Original request - click here
	03/05/09		Response to a request to experiment with Shared Lane Markings at several locations throughout Columbus, Ohio Original request - click here.

February 2009
	Date		Item
	02/19/09		Response to request for official interpretation of the MUTCD – specifically whether “red light cameras” are traffic control devices  (Original letter of request may be viewed-click here)
	02/18/09		Response to a report on an approved experiment with the use of flashing yellow arrow signal indicators for a permissive mode double right turn movement at a Marana, Ariz. intersection  (Final Report may be viewed by clicking here)
	02/18/09		Response to an amended request to experiment with a sign for the Ticketing Aggressive Cars and Trucks Program  (Original letter of request may be viewed by clicking here)
	02/09/09		Response to a request for approval to use the Flashing Yellow Arrow display for permissive left turns on a blanket basis on roads under the jurisdiction of the City of Jacksonville, Ark. (To read the original letter of request, click here)
	02/09/09		Response to a request to experiment with High Intensity Activated Crosswalk Pedestrian Crossing Beacon Signals at one location in the City of Yucaipa, Calif. (To read the original letter of request, click here.)

January 2009
	Date		Item
	01/29/09		Response to Request for approval to use Flashing Yellow Arrow for permissive left turns in Guam (To read the original Request Letter, click here.)
	01/29/09		Response to request to experiment with HAWK Pedestrian Crossing Beacon Signal at two locations in Phoenix. (To read the original Request Letter, click here.)
	01/29/09		Response to Request to experiment with directional and regulatory signing for a designated truck route network in NYC(To read the original Request Letter, click here.)
	01/26/09		Response to Req for interpretation regarding the use of sign kiosks within conventional roadway ROW directing motorists to residential communities (To read original Request Letter, click here.)
	01/21/09		Response to Revised Request for Experimentation with Sports Team Logo to Supplement Freeway Guide Signs (To read Revised Request, click here.)
	01/12/09		Response to request to include the City of Bradenton, Fla. in experimentation sites regarding experiment number 2-592(E) – Miami Beach Wayfinding Guide Signs.   (To see the original request letter dated 11-14-08 from the Fla.-DOT, click here)
	01/06/09		Response to reqest to experiment with High Intensity Activated Crosswalk (HAWK) Pedestrian Crossing Beacon Signals in Vancouver, Wash.