Diana is a writer and urbanist passionate about public space, historical memory, and transportation equity. Prior to joining Planetizen, she started and managed a farmers' market and worked as a transportation planner in the bike share industry. She is Planetizen's editor as of January 2022.
Since Zion's Shuttles Went Electric “The Smog is Gone”
Visitors to Zion National Park can enjoy the canyon via the nation’s first fully electric park shuttle system.
Trump Distributing DOT Safety Funds at 1/10 Rate of Biden
Funds for Safe Streets and other transportation safety and equity programs are being held up by administrative reviews and conflicts with the Trump administration’s priorities.
German Cities Subsidize Taxis for Women Amid Wave of Violence
Free or low-cost taxi rides can help women navigate cities more safely, but critics say the programs don't address the root causes of violence against women.
New Atlanta Law Requires ‘Cool Roofs’
Painting roofs with reflective coatings can significantly reduce indoor temperatures and improve energy efficiency, sometimes at a lower cost than traditional roof treatments.
MTA Poised to Break Ridership, On-Time Service Records
New York City’s transit system saw strong increases in ridership and improvements in service quality in the first half of 2025.