The Massachusetts Bay Transportation Authority Police (also known as the T Police or Transit Police and colloquially known as the "Subway Cops") is a police force which has primary jurisdiction on Massachusetts Bay Transportation Authority (MBTA) property and vehicles in each of the 175 cities and towns within the MBTA. The department has grown to an authorized strength of 266 officers and 10 civilians. The majority of the MBTA Police Department's efforts are focused on patrol in Boston and surrounding communities. The department patrols and protects the 5 subway lines to include the Silver Line, 13 commuter rail lines, 4 passenger ferry routes, 181 bus routes and The Ride paratransit system in Massachusetts communities. The agency is currently led by Chief Kenneth Green. His predecessor was Chief Paul MacMillan who was initially appointed acting chief in 2007 by then MBTA General Manager Daniel Grabauskas to replace Joseph C. Carter who left the job to accept the position of Adjutant General (TAG) of the Massachusetts National Guard. In 2008, Grabauskas permanently appointed MacMillan chief of the agency. MacMillan is the first agency chief appointed from within the ranks of the organization. History In October 1968, legislation was passed (Chapter 664 of the Acts of 1968, amended by Chapter 829 of the Acts of 1970 and Chapter 329 of the Acts of 1993) which created the MBTA Police Department (hereafter referred to as the MBTA Transit Police Department or the MBTA Transit Police) under the provisions of Massachusetts General Law (M.G.L.), Chapter 31. The first full-time MBTA Transit Police Officers were hired on December 9, 1968. Chapter 664 of the Acts of 1968 (amended by Chapter 829 of the Acts of 1970 and Chapter 329 of the Acts of 1993): established a Police Department under the supervision of a Police Officer to be known as a Chief of Police; provided that all Police Officers except for the positions of the Chief, Superintendent or Major would be subject to Chapter 31; provided that all Police Officers would have, within the territorial limits of the authority, the powers and duties conferred or imposed upon Police Officers of cities and towns by Massachusetts General Law, Chapter 41, Section 98; provided MBTA Transit Police Officers additional powers of Railway Police Officers under Massachusetts General Law, Chapter 159, Section 93; and provided that MBTA Transit Police Officers have the same authority on city or town property as