Drive through Malibu Park's inland shelf toward Zuma on a Saturday morning and you will still meet the same orange barricade you met last summer, and the summer before that, at the mouth of Busch Drive. The underpass that used to duck traffic beneath Pacific Coast Highway and drop drivers straight into the Zuma Beach main lot has been closed since early 2023, when winter storms filled it with sediment, debris, and a creek that no longer stays where the map says it should.
That is not new information if you live on this shelf. What is worth saying plainly, three and a half years in, is something most residents have absorbed without ever hearing it stated outright: the agencies responsible for this crossing have quietly stopped talking about it as a repair job and started talking about it as a redesign problem. Those are two different futures, and only one of them ends with the shortcut coming back.
What's Actually Closed
Nothing about Zuma Beach itself has changed. The main entrance off Pacific Coast Highway is open in both directions, and Westward Beach Road still gets you onto the sand. What's gone is the underpass at Busch Drive, the low tunnel that let cars cross beneath PCH without merging into beach traffic first. For a Malibu Park household that used to treat that crossing as a five-minute shortcut to the sand, the current route means merging into whatever backup has formed at the main gate, or looping around to the Westward Beach signal instead. The City of Malibu's own traffic advisory, still active as of August 23, 2026, tells beachgoers exactly that: use PCH from either direction, expect a wait at the main entrance, and don't count on Busch Drive.
The Timeline That Explains the Silence
The reason this has dragged into a fourth summer isn't neglect. It's that the fix requires sign-off from agencies that don't move on a beach season's schedule.
| When | What happened |
|---|---|
| Early 2023 | Severe winter storms redirect Zuma Creek through the underpass, filling it with sediment and debris and forcing the closure |
| April 13, 2026 | LA County Beaches & Harbors crews get emergency authorization from the Regional Water Quality Control Board and start clearing the sediment, with a biological monitor on site |
| Early-to-mid May 2026 | Cleanup finishes, but the underpass fills again, this time with about 10 inches of standing groundwater and creek flow |
| May 7, 2026 | The Regional Board tells the county to hold off on dewatering and let the water table drop naturally |
| June 11, 2026 | County and City of Malibu staff meet again with the Regional Board, which signals it will consider a new dewatering request |
| August 23, 2026 | The city's newsflash still lists the underpass as closed, with no reopening date attached |
Each step required approval from a different regulator: the Regional Water Quality Control Board on water quality, the California Department of Fish and Wildlife and the Army Corps of Engineers on habitat. That's the pattern of a jurisdictional waters problem, not a maintenance backlog. Sediment you can shovel out in a week. A creek that has physically rerouted itself through a road bed and now sits under multi-agency review is a different kind of closure.
The Detail That Changes the Story
Here's the part that separates this from a routine construction delay. Back in March 2026, Caltrans project manager Yoon Kang told Malibu council member Conrad directly, while the two stood looking at creek water still flowing through the old crossing, that reopening wasn't likely anytime soon, and might not happen at all. The reasoning matters more than the statement itself: the creek has changed its course through the old underpass structure, and getting a permit to force it back into an unused channel section is a fight the county and city may not win with the state Water Board or the Army Corps.
What Caltrans floated instead was a traffic circle at the tangled intersection where PCH meets Broad Beach Road and Bonsall Drive, a dogleg with a documented crash history and sightlines blocked by roadside brush and fencing on private property. That intersection redesign isn't a new idea invented to solve this closure. A 2015 traffic study had already flagged it as needing work, eight years before the underpass ever flooded. What's changed is that the underpass closure has made the intersection's problems worse, since cross traffic that used to split between two crossings now concentrates at one signal, and that concentration is arguably what's pushing the traffic circle conversation forward now.
Put together, that's the actual news here for someone who lives inland of Zuma: the reopening conversation has partly become a replacement conversation. Nobody in an official capacity is promising Busch Drive comes back the way it was.
What Moved Instead
A neighborhood doesn't just sit still while a shortcut stays closed for three summers. Traffic that used to split between the underpass and the main gate now stacks up at one entrance, which is the actual, felt difference for anyone driving to Zuma on a weekend afternoon this year. The workaround isn't exotic. It's PCH in either direction or the Westward Beach Road signal, both of which now carry volume that used to have a second outlet.
Foot traffic has shifted too, in a smaller and more local way. Trancas Country Market, the seventeen-acre shopping center just off PCH with Vintage Grocers, the garden nursery, and a handful of boutiques, has absorbed some of the errands and lingering that used to happen closer to the sand. One detail worth knowing if you're a regular there: Malibu Brewing Company announced in January 2026 that it's expanding with a second brewery and restaurant in Agoura Hills and a new spot at Universal CityWalk. The original Trancas taproom isn't part of that move. It's staying exactly where it is, which tells you something about how the company itself reads the neighborhood, as a fixed anchor point rather than a location to consolidate away from, even while the beach-access routine around it keeps shifting.
What This Actually Means for Your Week
If you live in Malibu Park and haven't driven to Zuma since spring, the practical update is simple. Don't plan on Busch Drive. Build in extra time at the PCH main entrance, especially on weekend afternoons, or use the Westward Beach Road signal if you're coming from the inland side. None of this closes the beach to you. It just means the crossing you might still be picturing from a few years ago isn't there, and the agencies involved haven't given anyone a date to expect it back.
The longer view is the one worth sitting with. A closure that started as storm cleanup has turned into a live conversation about whether the old crossing gets rebuilt or gets replaced by an intersection redesign that predates the flood by nearly a decade. That's not a story about inconvenience. It's a story about how a piece of daily infrastructure quietly becomes permanent while everyone keeps calling it temporary.
For residents weighing what any of this means for property near this stretch of PCH, whether it's a question about access, easements, or how local infrastructure decisions intersect with a specific parcel, that's the kind of ground-level detail worth a real conversation rather than a guess. If you'd like to talk through what's actually happening on your street, or in Malibu Park more broadly, MalibuMark is a good place to start. Let's schedule an appointment.