(a) A person commits an offense who, without legal privilege, intentionally, knowingly or recklessly:

(1) Obstructs a highway, street, sidewalk, railway, waterway, elevator, aisle, or hallway to which the public, or a substantial portion of the public, has access; or any other place used for the passage of persons, vehicles or conveyances, whether the obstruction arises from the person's acts alone or from the person's acts and the acts of others; or

(2) Disobeys a reasonable request or order to move issued by a person known to be a law enforcement officer, a firefighter, or a person with authority to control the use of the premises to:

(A) Prevent obstruction of a highway or passageway; or

(B) Maintain public safety by dispersing those gathered in dangerous proximity to a fire, riot or other hazard.

(b) For purposes of this section, “obstruct” means to render impassable or to render passage unreasonably inconvenient or potentially injurious to persons or property.

(c)

(1) An offense under this section is a Class C misdemeanor.

(2) Notwithstanding subdivision (c)(1), an offense under subdivision (a)(1) is a Class B misdemeanor and shall be punished by a fine of two hundred dollars ($200) if, at the time of the violation, the person obstructs an emergency vehicle from accessing the highway or street, or highway's or street's right-of-way. As used in this subdivision (c)(2), “emergency vehicle” means any vehicle of a governmental department or public service corporation when responding to an emergency, any vehicle of a police or fire department, and any ambulance.

(d)

(1) It is an affirmative defense to prosecution under this section, which must be proven by a preponderance of the evidence, that:

(A) Solicitation and collection of charitable donations at a highway or street intersection were undertaken by members of an organization that has received a determination of exemption from the internal revenue service under 26 U.S.C. § 501(c)(3) or (4);

(B) The members of the organization undertook reasonable and prudent precautions to prevent both disruption of traffic flow and injury to person or property; and

(C) The solicitation and collection at the specific time and place and the specific precautions were proposed in advance to, and received the prior written approval of, the administrative head of the local law enforcement agency in whose jurisdiction the intersection is located.

(2) No liability for any accident or other occurrence that arises from solicitations shall attach to the sheriff or government involved in issuing the permit, but shall be borne solely by the organization obtaining the permit.

(3) This subsection (d) shall not be construed to supersede or affect any ordinance relative to collecting donations at public intersections in effect on July 1, 1993.

(4) Any municipality by ordinance may prohibit roadblocks within its corporate limits notwithstanding this subsection (d).