(a) The transitway mall and the transit corridor are for the exclusive use of light rail vehicles. The right-of-way on each side of the transit corridor will be used for the operation of other vehicles.
(b) A person commits an offense if he:
(1) stops, stands, or parks any vehicle, other than a light rail vehicle, within the transitway mall or transit corridor; or
(2) operates any vehicle, other than a light rail transit vehicle, in any area within the transitway mall or transit corridor.
(c) It is a defense to prosecution under Subsection (b)(1) or (2) of this section that the vehicle was:
(1) being operated by an employee of the city or DART in the performance of official duties;
(2) an authorized emergency vehicle;
(3) a department of transportation, maintenance, utility, or service vehicle authorized by the city and DART to operate within the transit mall or transit corridor; or
(4) being operated in compliance with a valid permit issued by the city and approved by DART.
(d) It is a defense to prosecution under Subsection (b)(2) of this section that the vehicle was:
(1) crossing the transitway mall or transit corridor on a street designated for through traffic; or
(2) entering or exiting a private parking area with direct ingress or egress to or from the transitway mall, if the vehicle:
(A) was being operated in compliance with all speed, directional, and traffic control signs, devices, laws, and regulations applicable to the transitway mall; and