The following persons are authorized to direct, control or regulate traffic:

   (1)  Traffic control persons on utility, maintenance or construction projects.

   (2)  Adult school crossing guards for assisting school children across busy or hazardous highways.

   (3)  Railroad crossing guards at railroad grade crossings, for purposes of stopping vehicular traffic to permit the safe passage of trains.

   (4)  Civil defense, National Guard and military police while performing their regular duties or during National or local emergencies.

   (5)  Personnel of emergency organizations such as fire departments, hospitals, river rescue associations, ambulance associations and personnel of emergency vehicles designated by the State Police under 75 Pa.C.S. §  6106 (relating to designation of emergency vehicles by the Pennsylvania police) while performing their duties.

   (6)  Highway service vehicle personnel of tow trucks and road service vehicles.

   (7)  Park Maintenance Supervisors, Park Rangers I and Environmental Education Specialists of the Department of Environmental Resources, Bureau of State Parks, who have completed the Department of Environmental Resources� Traffic Control Training Course, while performing their official duties.

   The provisions of this §  101.2 amended under the Vehicle Code, 75 Pa.C.S. § §  3102 and 6103.

 This section sets forth standards for minimum attire and equipment so that persons directing, controlling or regulating traffic are easily distinguishable and so that their directions can be understood.

   (1)  Traffic control persons on utility, maintenance or construction projects shall wear orange, fluorescent red-orange or fluorescent yellow-orange vests and a protective helmet. In addition, they shall be equipped with a flagman traffic control sign, a paddle with a Stop sign on one face and a Slow sign on the opposite face, as described in Publication 203 of the Department.

   (2)  Adult school crossing guards shall wear as a minimum a safety vest or safety belt manufactured from retroreflective and fluorescent material visible both day and night at 300 feet to approaching motorists.

   (3)  Members of the National Guard or military police shall wear their official uniforms and members of the civil defense shall wear their official arm bands and white hats or other distinctive clothing.

   (4)  Emergency vehicle personnel and Park Maintenance Supervisors, Park Rangers I and Environmental Education Specialists of the Department of Environmental Resources, Bureau of State Parks, shall wear their official uniform or shall utilize a red flag to control traffic during daylight hours and a flashlight with a red luminaire during hours of darkness. A firefighter�s hat is sufficient attire for a firefighter and an official hat and badge is sufficient attire for fire police.

   (5)  Personnel of highway service vehicles shall wear red or yellow fluorescent vests which shall be reflectorized for nighttime operations.

   (6)  Railroad crossing guards shall be equipped with a red flag during daylight hours and with a lighted lantern capable of providing both red and white aspects during the hours of darkness.

   The provisions of this §  101.3 amended under the Vehicle Code, 75 Pa.C.S. § §  3102 and 6103.

 Nothing in this chapter precludes a person from temporarily directing traffic at the scene of an emergency.