Stories, milestones, and conversations surrounding the landscapes we help shape. Explore recent coverage of RDA’s work, ideas, and collaborations across design, ecology, and the public realm.
2026
This World's Largest Animal Crossing Will Open This Year—and It's in California
TRAVEL + LEISURE
A closer look at the Wallis Annenberg Wildlife Crossing as it approaches completion—and the larger effort to reconnect habitat across Southern California’s 101 Freeway.
Expert services for development and construction.
The right-wing mediasphere bashed the world’s largest wildlife crossing for delays. It now has an opening date.
LA TIMES
Learn more about the Wallis Annenberg Wildlife Crossing’s progress toward completion and its role in restoring a vital wildlife corridor across the 101 Freeway.
The Living Bridge
FLORA MAGAZINE
A story focused on the native plant communities, ecological thinking, and living systems shaping the Wallis Annenberg Wildlife Crossing.
Expert services for development and construction.
Wallis Annenberg Wildlife Crossing Is in Full Bloom and on Track for December Completion
SPECTRUM NEWS 1
This progress update shows native plants and wildlife already taking hold as the crossing approaches its December 2 opening. RDA’s Robert Rock discusses the work behind reconnecting habitat across the 101 Freeway.
Conoce el puente que salvará la vida silvestre del sur de California
UNIVISION LOS ANGELES
Spanish-language report highlights the scale and purpose of the crossing, from recreating native habitat to providing safer movement for mountain lions and other wildlife across one of Southern California’s busiest freeways.
Press Archive
World’s Largest Wildlife Crossing Nears Completion in Southern California
In California, work on the Wallis Annenberg Wildlife Crossing is now underway
Creating an Ecological Stitch at the Wallis Annenberg Wildlife Crossing
How the Wallis Annenberg Wildlife Crossing is Connecting Critical Habitat & Supporting Biodiversity
World’s largest wildlife crossing will soon stretch across California’s Highway 101
Wildlife crossing will stretch across Highway 101
Los Angeles’ mountain lions face extinction without your help
Safe passages for wildlife (and people)
Why Did the Elk (or Bear or Deer or Lynx) Cross the Road?
Spectrum News 1
Sound barriers help Wallis Annenberg Wildlife Crossing create a calm environment above the roar traffic
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KCRW Reports
The Worlds Largest Wildlife Crossing is Coming to the 101 Freeway
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CBS
How wildlife crossings protect both animals and people
Watch the video
The Architect's Newspaper
In California, work on the Wallis Annenberg Wildlife Crossing is now underway
Read the article
CNN
Major Los Angeles highway to undergo weeks of closures to construct large wildlife crossing
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National Wildlife Federation
#SaveLACougars Campaign Prepares to Celebrate Exciting and Major Construction Milestone for the World’s Largest Wildlife Crossing
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