The reason? Dan Zambonini proposes that the prevailing winds in most U.S. cities run westerly, so pollution from industrial smokestacks would blow through the eastern neighborhoods.
While the poorer people moved east, people with money during the industrial era moved westward:
"The massive, unchecked pollution from these early industries would therefore drift eastward, making the air quality much lower in the east end of cities, lowering the desirability (and price) of the housing. Middle classes preferred the cleaner west ends."
FULL STORY: Why are the East of Cities usually Poorer?

What ‘The Brutalist’ Teaches Us About Modern Cities
How architecture and urban landscapes reflect the trauma and dysfunction of the post-war experience.

‘Complete Streets’ Webpage Deleted in Federal Purge
Basic resources and information on building bike lanes and sidewalks, formerly housed on the government’s Complete Streets website, are now gone.

The VW Bus is Back — Now as an Electric Minivan
Volkswagen’s ID. Buzz reimagines its iconic Bus as a fully electric minivan, blending retro design with modern technology, a 231-mile range, and practical versatility to offer a stylish yet functional EV for the future.

SoCal Leaders Debate Moving Coastal Rail Line
Train tracks running along the Pacific Ocean are in danger from sea level rise, but residents are divided on how to fix the problem.

Are Mobility Hubs Child-Friendly?
‘Mobility hubs’ aim to make urban travel easier by connecting travel modes. Adding more services could make them more accessible and useful to women and families.

Austin’s Project Connect Funding Safe for 2025
The light rail project is moving ahead with plans to finalize its environmental impact review by late 2025.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research