how is the police related to it?
The MTA Police Department was created in 1998 with the merger of the Long Island Rail Road Police Department
Police
The MTA Police Department was created in 1998 with the merger of the Long Island Rail Road Police Department and the Metro-North Railroad Police Department. 
how long is the staton island ferry ride Approximately 25 minutes where is this located? The ferry's single route runs through New York Harbor between the New York City boroughs of Manhattan and Staten Island when it started its service? 1810 who all can ride it? Passengers from  New York Harbor between the New York City boroughs of Manhattan and Staten Island and how much is its fare? In 2012 fare was $4.86,  it rose to $5.87 in 2016, before dropping to $5.16 in 2017. In 2017, it  was $6.50, after accounting for the $2.75 per-passenger fare you have mentioned about an island above; what is its geographical location? It is a borough of New York City, the island is topographically and geologically a part of New Jersey, the  Island is separated from Long Island by the Narrows and from mainland New Jersey so before the aforementioned transport service started in this island, was it a railway junction? No,  Staten Island Railway opened after the ferry service and what was its date of opening? 1860
On June 1, 2005, the Staten Island Rapid Transit Police Department was disbanded and its 25 railroad police officers became part of the Metropolitan Transportation Authority Police Department. On June 1, 2005, the Staten Island Rapid Transit Police Department was disbanded and its 25 railroad police officers became part of the Metropolitan Transportation Authority Police Department. UNANSWERABLE
Staten Island Railway Staten Island Railway
Police Police
On June 1, 2005, the Staten Island Rapid Transit Police Department was disbanded and its 25 railroad police officers became part of the Metropolitan Transportation Authority Police Department. On June 1, 2005, the Staten Island Rapid Transit Police Department was disbanded and its 25 railroad police officers became part of the Metropolitan Transportation Authority Police Department. 
wiki:12178794
Staten Island Railway [SEP] Police
On June 1, 2005, the Staten Island Rapid Transit Police Department was disbanded and its 25 railroad police officers became part of the Metropolitan Transportation Authority Police Department. The MTA Police Department was created in 1998 with the merger of the Long Island Rail Road Police Department and the Metro-North Railroad Police Department. The MTA Police Department then opened its newest patrol district, Police District #9, which began covering the Staten Island Railway.