Glen Bottoms at The American Conservative attempts to answer the question.
The verdict? Bottoms sees three key factors:
"1) overdesign, 2) lack of technical expertise at the overseeing transit agency, and 3) external factors like political interference and rising material costs.
Consultants retained to design these systems regularly use plans that they already possess without regard to applicability or functionality, selecting higher-speed overhead wire in rail yards and city streets or specifying certain types of rail without regard for cheaper alternatives. Excessive tunneling is also a critical cost driver."
FULL STORY: The Real Costs
Judge Halts Trump Order Tying State Transportation Grants to Immigration Actions
Ruling applies to Colorado, which was among 20 plaintiff states.
Duffy Threatens to Cut DOT Funds to “Sanctuary Cities”
“Follow the law or forfeit the funding” says US Secretary of Transportation.
Five Key Transportation Funding Proposals in Trump’s Budget
The President’s proposed 2026 budget would keep spending roughly the same for transit and rail and eliminate over $5 billion in funding for EV charging infrastructure.
Maui's Vacation Rental Debate Turns Ugly
Verbal attacks, misinformation campaigns and fistfights plague a high-stakes debate to convert thousands of vacation rentals into long-term housing.
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
San Francisco Suspends Traffic Calming Amidst Record Deaths
Citing “a challenging fiscal landscape,” the city will cease the program on the heels of 42 traffic deaths, including 24 pedestrians.
Half of Post-Fire Altadena Home Sales Were to Corporations
Large investors are quietly buying up dozens of properties in Altadena, California, where a devastating wildfire destroyed more than 6,000 homes in January.
Opinion: What San Francisco’s Proposed ‘Family Zoning’ Could Really Mean
Mayor Lurie is using ‘family zoning’ to encourage denser development and upzoning — but could the concept actually foster community and more human-scale public spaces?
Jacksonville Launches First Autonomous Transit Shuttle in US
A fleet of 14 fully autonomous vehicles will serve a 3.5-mile downtown Jacksonville route with 12 stops.
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.
Gallatin County Department of Planning & Community Development
Heyer Gruel & Associates PA
JM Goldson LLC
City of Camden Redevelopment Agency
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
Jefferson Parish Government
Camden Redevelopment Agency
City of Claremont