Sec. 13. (a) Except as provided in subsection (b), a person who, with the intent to obstruct vehicular or pedestrian traffic, obstructs vehicular or pedestrian traffic commits obstruction of traffic, a Class B misdemeanor.
(b) The offense described in subsection (a) is:
(1) a Class A misdemeanor if the offense includes the use of a motor vehicle;
(2) a Level 6 felony if:
(A) the offense results in serious bodily injury;
(B) the person blocks an authorized emergency vehicle (as defined in IC 9-13-2-6) while the vehicle is:
(i) responding to an emergency call;
(ii) in the pursuit of an actual or suspected violator of the law; or
(iii) responding to, but not returning from, a fire alarm;
if the vehicle is using visible or audible signals as required by law; or
(C) the person obstructs the entryway to a facility that provides emergency medical services; and
(3) a Level 5 felony if the offense results in catastrophic bodily injury or death.
(c) A person who unreasonably obstructs vehicular or pedestrian traffic commits a Class C infraction.
(d) It is a defense to an action under subsection (c) that the obstruction was caused by a vehicle malfunction.