MPA meaning in Regional ?

Answer:

What is Maryland and Pennsylvania Railroad mean?

The Maryland and Pennsylvania Railroad (reporting mark MPA), familiarly known as the "Ma and Pa", was an American short-line railroad between York and Hanover, Pennsylvania, formerly operating passenger and freight trains on its original line between York and Baltimore, Maryland, from 1901 until the 1950s. The Ma and Pa was popular with railfans in the 1930s and 1940s for its antique equipment and curving, picturesque right-of-way through the hills of rural Maryland and Pennsylvania. Reflecting its origin as the unintended product of the merger of two 19th-century narrow gauge railways, the meandering Ma and Pa line took 77.2 miles (124 km) to connect Baltimore and York, although the two cities are only 45 miles (72 km) apart in a straight line.

Passenger service was discontinued on August 31, 1954, and the section from Baltimore to Whiteford, Maryland (just south of the Mason-Dixon line demarcating the Pennsylvania-Maryland border) was abandoned in June 1958. Most of the remaining original railroad line was abandoned by 1984. The Maryland and Pennsylvania Railroad acquired a former 19-mile (31 km) Pennsylvania Railroad (PRR) branch line between York and Hanover in 1976, now operated by a successor corporation, York Railway.

reference

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Mpacha	Airport Code
Management Processor Adapter	Business
Master in Professional Accounting	Business
Master Purchase Agreement	Business
Medical Power of Attorney	Business
Massachusetts Pharmacy Association	Business
Muniyield Pennsylvania Fund	Business
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Minnesota Paralegal Association	Community
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Michigan Petroleum Association	Community
Minnesota Psychological Association	Community
McLean Project for the Arts	Community
Malaysian Psychiatric Association	Community
Magazine Publishers of America	Community
Midwestern Psychological Association	Community
Motion Picture Association	Community
Maine Principals' Association	Community
My Pets Adoption	Community
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Music Performance Assessment	Community
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Multi Page Application	Computing
Multi Page Allocation	Computing
Marker Pdu Aligned Framing	Computing
Memo Pad Archive	Computing
Master of Professional Accountancy	Educational Degree
Master of Performing Art	Educational Degree in Dance
Microwave Power Absorption	Electronics
Mpeg-1 Audio Stream Sound File	File Type
Master of Public	General
Media and Public Affairs	General
Master of Public Affairs	General
Master in Public Administration	General
Master in Public Affairs	General
MIG Pulse advanced	General
Metropolitan Properties of America	General
Motorcar Parts of America	General
Maximum Power Available	General
Maximal Power Available	General
Master Person Analysis	General
Mobile Phone Adapter	General
Master Pricing Agreement	General
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Masters of Public Administration	General
Multi Purpose Analyzer	General
Music Performance Assessments	General
Masters In Public Administration	General
Multiple Photon Absorption	General
Mail Presentation Agent	General
Metropolitan Pima Alliance	Governmental
Ministry Of Parliamentary Affairs	Governmental
Modified Points Of Authority	Governmental
Member of the Provencal Assembly	Governmental
Medical Products Agency	Governmental
Multiple Projects Assurance	Governmental
Maryland Port Administration	Governmental
Matter Participating Attorney	Governmental
Mean Predicted Area	Governmental
Marine Protected Area	Governmental
Member Of Pakistani Awam	Governmental
Metropolitan Planning Area	Governmental
MANAPARAI	Indian Railway Station
Megapascals	Measurement Unit
Milli-pascals	Measurement Unit
Medical Practice Administrator	Medical
Main Pulmonary Artery	Medical
Markov process amplitude	Medical
Master of Pharmacy Administration	Medical
Maximal Planar Area	Medical
Maximal Profile Area	Medical
Master of Public Administration	Medical
Mean Pulmonary Arterial	Medical
Medial Plantar Artery	Medical
Medial Preoptic Area	Medical
Medical Prescribing Adviser	Medical
Medical Procurement Agency	Medical
medroxiprogesterone acetate	Medical
mercaptopropionic acid	Medical
methylprednisolone acetate	Medical
Minor Physical Anomaly	Medical
mycophenolic acid	Medical
Mean Pulmonary Artery	Medical
Maritime Patrol Aircraft	Military and Defence
Military Personnel Army	Military and Defence
Mission and Payload Assessment	Military and Defence
Military Pay and Allowances	Military and Defence
Mission Planning Agent	Military and Defence
Military Personnel Appropriations	Military and Defence
Military Personnel Account	Military and Defence
Maryland and Pennsylvania Railroad (York Railway)	Regional
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Maryland and Pennsylvania Railroad	Regional
My Personal Assistant	Softwares
Mass Processing Analysis	Space Science