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.
Latest to Say '20 Is Plenty': Norfolk, Virginia
Norfolk joins several other cities in smoothing the way for 20 MPH speed limits on neighborhood streets to promote its Vision Zero goals.
State Study Calls For Tsunami Evacuation Structures In Coastal Communities
A Washington state study recommends the construction of dozens of tsunami evacuation facilities along the Pacific Northwest coast.
California High-Speed Rail Could Benefit From New Federal Funding
If state lawmakers can agree to support matching funds for the project, California's high-speed rail could compete for $36 billion in new federal grants.
Countries Underreport Greenhouse Gas Emissions
A Washington Post investigation found major discrepancies between actual emissions and the levels reported to the United Nations.
Opinion: Sharrows Are 'Make Believe Infrastructure'
The road markings known as 'sharrows' are meant to make streets safer for cyclists, but critics argue they're nothing but a convenient compromise that favors drivers and fails to improve road safety.