Check out the website for the academy nearest you and contact them directly. AZPOST does not have a specific policy or rule regarding this practice. You will find a listing of the academy websites here
Academies are a very controlled environment and police recruits are training in secured, secluded areas to ensure not only the safety of the recruits and staff, but the people living in the surrounding communities as well. If you happen to be fortunate enough to have a group of recruits run past you while you are out for a walk be prepared to be greeted properly by each one that runs by.
There are police academies strategically located throughout the state to best service the communities that need them, generally these academies are located in more isolated areas so as not to disturb the area with the sounds of police training.