All but two of the public massacres since 1950 had been committed by criminals and terrorists in “gun-free zones,” which is exactly what this regulation creates. Its a fact that "gun-free zones do not work, armed citizens able to protect themselves does.
Off-duty police officers are also prevented from carrying.
Bans in rest stops send a very uninviting message to, and endanger the lives of, interstate travelers which will result in less visitors to the state