The following is an excerpt from the Metro Customer Codes of Conduct as of 01/26/12
A. Animals are not permitted in Metro facilities or vehicles, unless one of the following applies:
1. The animal is in a secure carrier; 2. The animal is a certified police or security animal and is accompanied by a peace officer; or 3. The animal is a service animal, as defined by the Americans with Disabilities Act, and is accompanied by a patron. A Metro representative may ask whether an animal is a pet and what service the animal performs for the handler.
B. Handlers shall maintain control of their animals. No animal is permitted in a Metro facility or vehicle that is not under the control of its handler or poses a threat to a Metro representative or patrol. A non-service animal may be ejected if it unreasonably annoys patrols.
C. Handlers of animals shall promptly remove all animal waste from Metro facilities and vehicles. Leaving animal waste in a Metro facility or vehicle is prohibited.
D. Handlers must ensure that an animal shall not deprive a patron of a seat or block an aisle.