PSB meaning in Regional ?

Answer: What is Poplar Street Bridge mean?

The Congressman William L. Clay Sr. Bridge, formerly known as the Bernard F. Dickmann Bridge and popularly as the Poplar Street Bridge or PSB, completed in 1967, is a 647-foot-long (197 m) deck girder bridge across the Mississippi River between St. Louis, Missouri, and East St. Louis, Illinois. The bridge arrives on the Missouri shore line just south of the Gateway Arch.

reference

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Program in Systems Biology	Academic & Science
Partnership for Structural Biology	Academic & Science
Phosphate Solubilizing Bacteria	Academic & Science
Perimeter of Steel Bar	Academic & Science
Psychology and Social Behavior	Academic & Science
Pickering School Of Ballet	Academic & Science
Professional Standards Board	Accounts and Finance
Philipsburg (pa)	Airport Code
Princeville State Bank	Banking
Peoples State Bank	Banking
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Provident State Bank	Business
Public Sector Bank	Business
Pennsylvania School of Business	Business
P S Business Parks, Inc., of California	Business
Pet Shop Boys	Business
Paper Sticker Binder	Business
Philippine Savings Bank	Business
Paris School of Business	Business
Public Schools of Brookline	Community
Pack School Bag	Community
Psychological Services Board	Community
Public Service Broadcast	Community
Photoshop Big	Computing
Processor Side Bus	Computing
Path State Block	Computing
Processor System Bus	Computing
Pci Single Board	Computing
Packet Switched Backplane	Computing
Pams Status Block	Computing
Processor Support Bus	Computing
Protection Services for Business	Computing
Program Specification Block	Computing
PCI (Peripheral Component Interface) to SCI (Serial Communications Interface) Bridge	Computing
Planet Sandbox	Cryptocurrency
Phase Shifting Blank	Electronics
Pin Stripe Brain	General
Public Service Body	General
Penn State Biomodule	General
Partido Socialista Brasileiro	General
Proton Synchrotron Booster	General
Problematic Sexual Behaviors	General
Productivity and Standards Board	General
Pink Slip Blizzard	General
Punk Social Board	General
Product Safety Branch	General
Panel on Scientific Ballooning	General
Public Service Broadcasting	General
Postal Service Branches	General
Prosperous Sagacious Barbarious	General
Pre-Crash Seat Belt	General
Passenger's Seat Belt	General
Pre Safe Brake	General
Pignon de Sortie de Boite	General
Plymouth Superbird	General
Passing a Stopped School Bus	General
Pre-Active Seat Belt	General
Parking Support Brake	General
Public Service Board	General
Paul and Sue Barton	General
Performance Strategy and Budget	General
Protected Species Branch	General
Public Safety Building	General
Perth Street Bikes	General
Plow Sweep and Blow	General
Paul Sue Barton	General
Penn Schoen Berland	General
Pacific Symposium on Biocomputing	General
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Pure Sounding Bliss	General
Plough Sweep and Blow	General
Princess Sparkle Bunny	General
Purple Sprouting Broccoli	General
Philippine Seed Board	General
Partially Split Bands	General
Power Switch Box	General
Pelicula De Sra Brede	General
Polar Surface Brightness	General
Paris Sells Booty	General
Penn Schoen And Berland	General
Pet Sounds Bar	General
Program System Block	General
Presidential Service Badge	Governmental
Psychological Strategy Board	Governmental
Parti Socialiste Belge	Governmental
Pusat Sejarah Brunei	Governmental
Program Surveillance Branch	Governmental
Private Security Bureau	Governmental
Psychological Service Bureau	Governmental
Psychological Services Bureau	Governmental
Public Security Bureau	Governmental
PARSABAD	Indian Railway Station
Protected Specimen Brush	Medical
Please See Below	Messaging
Personnel Services Battalion	Military and Defence
Poststrike Base	Military and Defence
Pci To Sci Bridge	Networking
Polski Słownik Biograficzny	News & Entertainment
Punjab & Sind Bank	NSE Company Symbol
Punjab and Sind Bank	Public Sector Bank in India
Poplar Street Bridge	Regional
Panhandle Sports Broadcasting	Sports
Polysulfide Bromide Battery	Technology
Mid-State Regional Airport	Transport & Travel