§ 171.150. Use of portable emergency warning devices.

 In accordance with 75 Pa.C.S. §  4530(b) (relating to portable emergency warning devices), when a bus is disabled or stopped for more than 10 minutes upon a highway, the driver shall display at least three portable warning devices. These portable warning devices shall be displayed as required by §  167.8 (relating to display).

Authority

   The provisions of this §  171.150 issued under the Vehicle Code, 75 Pa.C.S. § §  4103, 4551—4553 and 6103.

Source

   The provisions of this §  171.150 adopted September 13, 1996, effective September 14, 1996, 26 Pa.B. 4411.

APPENDIX A

 1. For a summary or other explanation of any Federal standard, write the Director, Office of the Federal Register, National Archives and Records Administration, Washington, D.C. 20408. The Code of Federal Regulations publication sales are handled exclusively by the Superintendent of Documents.

 United States Government Printing Office
Superintendent of Documents
Washington, D.C. 20402

49 CFR 393	Parts and Accessories Necessary for Safe Operation
49 CFR 396	Inspection, Repair and Maintenance
49 CFR 567.7	Requirements for Persons Who Alter Certified Vehicles
49 CFR 568.8	Requirements For Persons Who Alter Certified Vehicles
49 CFR 569	Regrooved Tires
49 CFR 571	Federal Motor Vehicle Safety Standards (FMVSS)
Standard 108	Lamps, Reflective Devices and Associated Equipment
Standard 111	Rearview Mirrors
Standard 117	Retreaded Pneumatic Tires
Standard 119	New Pneumatic Tires For Vehicles Other Than Passenger Cars
Standard 120	Tire Selection And Rims For Motor Vehicles Other Than Passenger Cars
Standard 125	Warning Devices
Standard 131	School Bus Pedestrian Safety Devices
Standard 205	Glazing Materials
Standard 208	Occupant Crash Protection
Standard 209	Seat Belt Assemblies
Standard 210	Seat Belt Assembly Anchorages
Standard 213	Child Restraint Systems
Standard 217	Bus Emergency Exits and Window Retention and Release
Standard 222	School Bus Passenger Seating and Crash Protection
Standard 302	Flammability of Interior Materials
49 CFR 581	Bumper Standard

 2. To order SAE handbooks or manuals or for additional SAE information, write:

 Society of Automotive Engineers, Inc. (SAE)
400 Commonwealth Drive
Warrendale, PA 15096-0001
(412) 776-4970

Standard J20c	Coolant System Hoses
Standard J56	Electrical Generating System (Alternator Type) Performance Curve and Test Procedure
Standard J180b	Electrical Charging Systems for Construction and Industrial Machinery
Standard J186a	Supplemental High Mounted Stop and Rear Turn Signal Lamps
Standard J377	Performance of Vehicle Traffic Horns
Standard J381	Windshield Defrosting Systems Test Procedure—Trucks, Buses and Multipurpose Vehicles
Standard J382	Windshield Defrosting Systems Performance Requirements—Trucks, Buses and Multipurpose Vehicles
Standard J578	Color Specifications
Standard J887a	School Bus Red Signal Lamps
Standard J994b	Alarm Backup Electric Performance Test and Application
Standard J1100	Motor Vehicle Dimensions
Standard J1133	School Bus Stop Arm
Standard J1292	Automobile, Truck, Truck-Tractor, Trailer and Motor Coach Wiring

 3. For additional SBMI information, write:

 School Bus Manufacturers Institute (SBMI)
Division of Truck Body and Equipment Association
7508 Ben Avon Road
Bethesda, Maryland 20817
(301) 299-8441

 Design Objectives Booklet, current edition

Standard 001	Standard Code for Testing and Rating Automotive Bus Hot Water Heating and Ventilating Equipment

 4. For additional Underwriters Laboratories, Inc. information:

 Underwriters Laboratories, Inc.
333 Pfingsten Rd.
Northbrook, Illinois 60062
(312) 272-8800

Standard 299	Dry Chemical Fire Extinguishers
Standard 723	Tests for Surface Burning Characteristics of Building Materials
Standard 1093	Halogenated Agent Fire Extinguishers

 5. For additional U.S. Department of Commerce information, write:

 United States Department of Commerce
14th and E Streets
Washington, DC 20230

Standard PS1-83	Construction and Industrial Plywood

 6. For additional ASTM information, write:

 American Society for Testing and Materials (ASTM)
1916 Race Street
Philadelphia, Pennsylvania 19103
(215) 299-5400

Standard B117	Standard Method of Salt Spray (Fog) Testing

 7. For additional General Services Administration Specification and Consumer Information, write:

 General Services Administration
Specification & Consumer Information
Distribution Center
Washington Navy Yard
Building 197
Washington, DC 20407

 Federal Coating Compound, Bituminous, Solvent Type, Specification Underbody (for Motor Vehicles) TT-C-520b

 8. For additional National Institute of Standards and Technology (NIST) information, write:

 National Institute of Standards and Technology
Publications and Programs Inquiries
Building 101, Room E106
Gaithersburg, MD 20899
(301) 975-3052

Federal Standard No. 595a

Color 37038

Authority

   The provisions of this Appendix A amended under the Vehicle Code, 75 Pa.C.S. § §  4103, 4551—4553 and 6103.

Source

   The provisions of this Appendix A adopted August 19, 1983, effective August 20, 1983, 13 Pa.B. 2561; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5052; amended September 13, 1996, effective September 14, 1996, 26 Pa.B. 4411. Immediately preceding text appears at serial pages (122822) and (132815).

Cross References

   This appendix cited in 67 Pa. Code §  171.1 (relating to applicability); 67 Pa. Code §  171.15 (relating to bumper, front); 67 Pa. Code §  171.18 (relating to color); 67 Pa. Code §  171.20 (relating to electrical system); 67 Pa. Code §  171.23 (relating to frame); 67 Pa. Code §  171.24 (relating to fuel system); 67 Pa. Code §  171.26 (relating to heating system); 67 Pa. Code §  171.28 (relating to instruments and instrument panel); 67 Pa. Code §  171.36 (relating to tires and rims); 67 Pa. Code §  171.38 (relating to undercoating); 67 Pa. Code §  171.44 (relating to bumper, rear); 67 Pa. Code §  171.49 (relating to defrosters); 67 Pa. Code §  171.50 (relating to doors and emergency exits); 67 Pa. Code §  171.51 (relating to fire extinguisher); 67 Pa. Code §  171.57 (relating to insulation); 67 Pa. Code §  171.58 (relating to interior); 67 Pa. Code §  171.59 (relating to lamps and signals); 67 Pa. Code §  171.60 (relating to metal treatment); 67 Pa. Code §  171.68 (relating to seat belts); 67 Pa. Code §  171.69 (relating to seats and crash barriers); 67 Pa. Code §  171.75 (relating to undercoating); 67 Pa. Code §  171.78 (relating to windows); 67 Pa. Code §  171.81 (relating to wiring); 67 Pa. Code §  171.82 (relating to backup alarm); 67 Pa. Code §  171.93 (relating to securement devices and safety restraints); 67 Pa. Code §  171.99 (relating to restraining devices); 67 Pa. Code §  171.106 (relating to power lift uprights, barriers and chair or elevator-type lifts through the floor); 67 Pa. Code §  171.122 (relating to fire extinguisher); and 67 Pa. Code §  171.132 (relating to fire extinguisher).

APPENDIX B
NATIONAL SCHOOL BUS YELLOW

 The color known as National School Bus Yellow was designated as such by the 1939 National Conference on School Bus Standards. The National Bureau of Standards of the United States Department of Commerce assisted in developing this color and its colorimetric specifications, as follows:

C.I.E. Chromaticity Coordinates		Daylight Reflectance Y (%)			Dominant Wavelength (in millicrons)			Excitation Purity P (%)
x	y	max.	std.	min.	max.	std.	min.	max.	std.	min.
.5211	.4549	—	41.	40.	584.5	583.5	582.5	—	93.7	89.0

 At the 1980 Conference the colors in use were reviewed. A color standard was selected, slightly different from the above, and specific tolerances were chosen. These tolerances will insure a continuity of appearance from school bus to school bus, and within the same school bus when different elements are finished or refinished at different times. Specification for the Standard Color, with light and dark tolerances (Upper and Low Reflectances) are shown below in tabular form.

SPECIFICATION FOR STANDARD COLOR

For Source C
CIE Chromaticity Coordinates		Reflectance Y (%)	Reflectance tolerances
x	y		Upper	Lower
.5089	.4408	40.14%	41.77%	38.45%

Source

   The provisions of this Appendix B adopted August 19, 1983, effective August 20, 1983, 13 Pa.B. 2561; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5052. Immediately preceding text appears at serial page (83769).

Cross References

   This appendix cited in 67 Pa. Code §  171.18 (relating to color); 67 Pa. Code §  171.47 (relating to color); 67 Pa. Code §  171.55 (relating to identification); 67 Pa. Code §  171.124 (relating to identification); and 67 Pa. Code §  171.134 (relating to identification).

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