make the Request Stop Program available to all passengers in need; from 1991 to 2011, the program was only available to women. Designated Waiting Areas (DWA) on rapid transit platforms: these are well-lit, have intercoms, are monitored by security cameras, and are near the location where the guard car stops. Toronto paramedics: stationed at key locations within the subway system during the morning and evening rush to assist with medical emergencies and provide a faster emergency response. This also reduces delays on the rapid transit system. Emergency Power Cut stations: indicated by a blue beacon and located on both ends of all rapid transit platforms with a PAX telephone that can be used contact the Transit Control Centre's emergency line (3555). Yellow Emergency Alarm (formerly "Passenger Assistance Alarm"): yellow strips on all subway cars since 1977 and on the Flexity Outlook streetcars since their introduction in 2014. Emergency stopping mechanisms (Passenger/Guard Emergency Valve or PGEV): on the T1 trains and Line 3 Scarborough trains (except for the Toronto Rocket subway trains, which use a two-way intercom for passenger communication with the train crew as with the Flexity streetcars) Approximately 12,000 cameras monitoring activities at subway stations and on buses, streetcars and Toronto Rocket subway trains. Underground Alert messages: displayed on the subway platform video screens to notify passengers about criminals. TTC Transit Enforcement Unit: consisting of fare inspectors and special constables Crisis Link In June 2011, the TTC announced a new suicide prevention program called "Crisis Link" aimed at people who are in a station and in immediate danger of performing self-harm. Special speed dial buttons have been installed on payphones in station Designated Waiting Areas that "link" the caller to a 24-hour crisis counselling service provided by Distress Centres of Toronto. Signage has also been placed in high-risk areas of the station platform directing those at risk to use the service. The program includes 141 speed dial buttons on the system's payphones and 200 posters placed on station platforms. ThisIsWhere initiative and SafeTTC mobile app In September 2017, the TTC created an iOS/iPadOS and Android app called ThisIsWhere that allows users to report harassment and other personal safety incidents to the TTC. The name was later changed to "SafeTTC" and launched on September 6, 2017. Transit Enforcement Unit From 1997 to 2011, the TTC employed Special Constables that were responsible for safety and security and had similar policing powers