SN meaning in Regional ?

Answer: What is Sacramento Northern Railway mean?

The Sacramento Northern Railway (reporting mark SN) was a 183-mile (295 km) electric interurban railway that connected Chico in northern California with Oakland via the California capital, Sacramento. In its operation it ran directly on the streets of Oakland, Sacramento, Yuba City, Chico, and Woodland and ran interurban passenger service until 1941 and freight service into the 1960s.

reference

Full Form	Category
Society for Neurosciences	Academic & Science
Société des Neurosciences	Academic & Science
Subject Noun	Academic & Science
Steric Number	Academic & Science
Super Nova	Academic & Science
Student Number	Academic & Science
Source Name	Academic & Science
Student Nominee	Academic & Science
Statistics Notes	Academic & Science
Sine Nomine (Latin, "without a name")	Academic & Science
Seine Net	Academic & Science
Starting Number	Business
Standard Oil of Indiana (Amoco)	Business
Subcontractors, Nominated	Business
Shipping Note	Business
Tin	Chemistry
Stannum (tin)	Chemistry
Suncoast News	Community
Sarah Neko	Community
Speaking Naturally	Community
Sports Net	Community
Scaling Number	Computer and Networking
Service Node	Computer and Networking
Sequence Number	Computing
Senegal	Country Names
Southern Nations	Country Specific
Compressed Song File (sound Club Editor)	File Type
Signal Noise	General
S for Nucleophilic	General
Sensor Network	General
Sono Angelico76	General
Standards Norway	General
Supplemental Notes	General
Spankin New	General
Senior Navigator	General
Spay Neuter	General
Subjective Norm	General
Stable Nodes	General
Symbols Numbers	General
Skanthavelu Nataraja	General
Shared Name	General
Skunk Nads	General
Side Note	General
Station Number	General
Scope Notes	General
Session Number	General
Simple Net	General
Saddle Node	General
Source Node	General
Seth North	General
Super Narly	General
Soggy Nuts	General
Special Needs	General
Satoshi Nakamoto	General
Sir Name	General
Short Names	General
Sensor Nodes	General
Structural Number	General
Sentinel Node	General
Sensor Number	General
Sacramento Northern	General
Super Nintendo	General
Sequential Number	General
Surface Nexus	General
Short for NYSE	General
Spare Number	General
Step Number	General
Saucy N	General
Substitute Nucleophilic	General
Sunspot Number	General
Situation Normal	General
Scope Note	General
Spell Number	General
Sniper No	General
Satya Narayan	General
Scot Neri	General
Second Number	General
Solved Nodes	General
Solvent Neutral	General
Strong Name	General
So Negative	General
Simply Noodles	General
Strongly Normalizing	General
Stereospecific Numbering	General
Stormunism Nation	General
Series Number	General
Safety Net	General
Sources Needed	General
Substitution Nucleophilic	General
Sans Numero	General
Strong Normalization	General
Singular Noun	General
Super Namek	General
Sylvia Noventa	General
Sintagma Nominal	General
Starship Number	General
Shallow National	General
Social Network	General
Savings Notes	General
Signetics	Governmental
State Name	Governmental
SUKNA	Indian Railway Station
Sayin	International
SaNiye	International
Sindh	International
Sine Nomine	International
Saphenous Nerve	Medical
Sciatic Nerve	Medical
Scrub Nurse	Medical
Sebaceous Nevus	Medical
Second Neoplasm	Medical
sensorineural	Medical
Sensory Neurone	Medical
sentinel (lymph) node	Medical
seronegative	Medical
Serum Neutralisation	Medical
Silver Nitrate	Medical
Sin Nombre	Medical
Sinus Node	Medical
Solitary Nucleus	Medical
Spinal Nerve	Medical
Splanchnic Nerve	Medical
Spontaneous Nystagmus	Medical
Staff Nurse	Medical
Stromal Nodule	Medical
Student Nurse	Medical
Substantia Nigra	Medical
supernatant	Medical
supernumerary	Medical
Suprasternal Notch	Medical
Sural Nerve	Medical
Screen Name	Messaging
Senior Net	Messaging
Seaman	Military and Defence
Seaman Apprentice	Military and Defence
Seaman - Navy	Military and Defence
Small Nuclear	Military and Defence
((code for National Military Strategic Blueprint Functions))	Military and Defence
Synchronization Node	Military and Defence
Squadron Name	Military and Defence
Static Node	Networking
Static Name	Networking
Single Node	Networking
Self Normalizing	Physics Related
Sacramento Northern Railway	Regional
Sierra Nevada	Regional
Shona	Regional
Solar Network	Space Science
Space Network	Space Science