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6d ago

First Native Plants Take Root on 101 Freeway Wildlife Crossing in Agoura Hills

The milestone shifts focus to the utility-heavy Agoura Road connection that will determine whether the crossing opens in 2026.

Native plants are being placed on the Wallis Annenberg Wildlife Crossing in Agoura Hills. Seen here on Wednesday, Oct. 21, 2025 is the structure which stretches over the 101 Freeway is the start of the planting of 5,000 plants over the next few months. (Photo by Dean Musgrove, Los Angeles Daily News/SCNG)
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Overview

  • Crews began installing the first of roughly 5,000 locally sourced native plants to build nearly one acre of habitat atop the bridge spanning all 10 lanes of the 101.
  • A dedicated nursery collected more than one million seeds within a five-mile radius and grew dozens of species tailored to the site’s conditions.
  • The habitat is being established in specially engineered soil inoculated with native microbes and mycorrhizal fungi, with a cover crop already jump-starting soil health.
  • Stage 2 work to connect the bridge over Agoura Road includes burying high‑voltage lines, relocating telecom and a regional waterline, and constructing a poured‑in‑place tunnel that will require full road closures by year’s end.
  • Project leaders target completion in fall 2026 after weather setbacks, with the $92 million public‑private effort intended to restore wildlife movement between regional mountain ranges and honor the legacy highlighted by mountain lion P‑22.