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

Alabama: Trump Terminates Settlements for Black Communities Harmed By Raw Sewage
Trump deemed the landmark civil rights agreement “illegal DEI and environmental justice policy.”

Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

The 120 Year Old Tiny Home Villages That Sheltered San Francisco’s Earthquake Refugees
More than a century ago, San Francisco mobilized to house thousands of residents displaced by the 1906 earthquake. Could their strategy offer a model for the present?

San Francisco Opens Park on Former Great Highway
The Sunset Dunes park’s grand opening attracted both fans and detractors.

Oregon Legislature to Consider Transit Funding Laws
One proposal would increase the state’s payroll tax by .08% to fund transit agencies and expand service.

Housing Vouchers as a Key Piece of Houston’s Housing Strategy
The Houston Housing Authority supports 19,000 households through the housing voucher program.
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