SIR meaning in Regional ?

Answer:

What is Staten Island Railway mean?

The Staten Island Railway (SIR) is a rapid transit line in the New York City borough of Staten Island. It is owned by the Staten Island Rapid Transit Operating Authority (SIRTOA), a subsidiary of the Metropolitan Transportation Authority, and operated by the New York City Transit Authority Department of Subways. SIR operates 24 hours a day, seven days a week, providing local service between St. George and Tottenville, along the east side of the island. The only line on the island, there is no direct rail link between the SIR and the New York City Subway system, but SIR riders do receive a free transfer to New York City Transit bus and subway lines, and the line is included on official New York City Subway maps. Commuters on the railway typically use the Staten Island Ferry to reach Manhattan; the line is accessible from within the Ferry Terminal, and most of its trains connect with the ferry.

The line has a route bullet similar to other subway routes: the letters SIR in a blue circle. It is used on timetables, the MTA website, and some signage, but not on trains. Like the New York City Subway, the line runs 24 hours a day every day of the year, and is one of the few 24/7 mass-transit rail systems in the United States.

Although the railway was originally considered a standard rail line, the existing line is severed from the national rail system, and only a small portion of the former North Shore Branch still sees freight use. The passenger operations are now regulated as a rapid transit system, and exempt from certain regulations. The line uses modified R44 subway cars, with planned replacement by R211 cars.

reference

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Smooth Interpersonal Relationship	Academic & Science
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Student Issues Roundtable	Academic & Science
Society of Interventional Radiology's	Academic & Science
Standard Informational Robot	Academic & Science
Southeastern Institute of Research	Academic & Science
Stepped Impedance Resonator	Academic & Science
Sasti International Randi	Academic & Science
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Sion	Airport Code
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Standardized Incidence Ratios	Business
Strike It Rich	Business
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Service Inspired Restaurants	Business
Society of Insurance Research	Business
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Skill, Integrity, and Responsibility	Community
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String Instrument Repair	Community
Société Internationale Renardienne (International Reynard Society)	Community
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System Internal Resource	Computing
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Sniffer, Installer, and Reporter	Computing
Serial Infra Red	Computing
Standard Infra Red	Computing
Secondary Image Registration	Computing
Save Instruction Recognition	Computing
Safety Information Registration	Computing
Security Intelligence Report	Computing
Statistical Information Retrieval	Database Management
Surface Insulation Resistance	Electronics
Solitaire File Bitmap Graphics	File Type
Special Inspection Requests	General
Supplier Information Requests	General
Social Innovation Rockstars	General
Super Info Robot	General
Superior Information Robot	General
Slave I Remain	General
Seditious Info Realm	General
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Standard Interconnection Requirements	General
Size Interview Rate	General
Screening Information Request	General
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Strict Independent Respectful	General
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Speed, Integrity, and Reliability	Governmental
Strategically Integrated Reinforcements	Governmental
Safe Impact Round	Governmental
Supplemental Information Report	Governmental
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SIRHIND JN	Indian Railway Station
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Susceptible, Infected, and Recovered	Medical
Silent Information Regulator	Medical
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Standardized Infection Ratio	Medical
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Serious Incident Report	Military and Defence
Specific Information Requirement	Military and Defence
Selective Internal Radiation	Physics Related
Staten Island Railway	Regional
Southern Indiana Region	Regional
System Investigation Request	Softwares
Shuttle Imaging Radar	Space Science
Software Initiated Restart	Space Science
System Interface Requirement	Space Science
Systems Integration Review	Space Science
Scottish Ice Rink	Sports
Sport Injected Race	Sports
Surveillance Information Retrieval	Sports
Statement of Intent To Register	Stock Exchange