When she read over the ridership estimates behind California's HSR plans, Elizabeth Alexis was expecting to have "obscure arguments over the standard deviations," but instead found glaringly obvious "math" mistakes.
Martina Castro and Nathanael Johnson examine California's drive to construct the nations first high speed rail line.
The state senate ordered a second independent review led by a team at UC Berkely. It found major errors in the original report of more than plus or minus 50%. Sameer Mandanat reminds us that while "travel demand models are useful but always have to be taken with a grain of salt." The fact that these estimates have been used as accurate figures by politicians and planners has become problematic.
Bent Flyvbjerg a leading academic at Oxford University's BT Centre for Major Programme Management suggests "there needs to be a study of whether the decision is biased. Meaning whether it's optimistic or whether there is strategic misrepresentation."
FULL STORY: Planning Problem: A Documentary on High Speed Rail

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
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Spring Spectacle: Thousands of Tulips Bloom at One of LA’s Top Gardens
Descanso Gardens, one of Los Angeles County’s most beloved botanical destinations, is welcoming spring with 35,000 tulips in bloom, creating a breathtaking seasonal display expected to peak in late March.

Ratepayers Could Be on the Hook for Data Centers’ Energy Use
Without regulatory changes, data centers’ high demand for energy would be subsidized by taxpayers, according to a new study.

City Nature Challenge: Explore, Document, and Protect Urban Biodiversity
The City Nature Challenge is a global community science event where participants use the iNaturalist app to document urban biodiversity, contributing valuable data to support conservation and scientific research.
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