Highway SR-203 Traffic & Road Conditions in California

Updated Tue, Jan 14, 2025 at 2:32 AM PT

As of Tuesday 2:32AM, no reported CHP incidents access 1 live traffic cameras, and details on CalTran's 1 active lane closures, see info on some restricted road conditions, and more.

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Traffic Cameras

CalTrans

SR-203 Real-time Traffic Cameras

1 cameras on route

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Accidents Near Me

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Traffic Accidents & Alerts on SR-203

California Highway Patrol

As of January 14, 2:32 AM there are no reported CHP Traffic incidents for SR-203 .

Tue

What accidents happened on SR-203 today?

Tap to see every CHP accident reported today on SR-203

Mon

What happened on SR-203 yesterday?

Tap to see all CHP accidents reported Monday for SR-203

Why is SR-203 closed?

Real-Time Updates on SR-203 CalTrans lane closures

Summary of current and upcoming CalTrans lane closures and construction work on SR-203 in California.

Active Closures: There is one CalTrans closure this evening and is a full closure, near Madera/Mono County Line

Upcoming Closures:

Morning Commute (5 AM - 9 AM):

1 Closure: One closure is planned for this morning, and is a full closure, near Madera/Mono County Line

Daytime today (9 AM - 3 PM):

1 Closure: One closure is scheduled for mid-day today, and is a full closure, near Madera/Mono County Line

Evening Commute (3 PM - 7 PM):

1 Closure: One closure is scheduled for this evening, and is a full closure, near Madera/Mono County Line

Late/Overnight (7 PM - 5 AM):

1 Closure: One closure is planned late this evening and/or overnight, and is a full closure, near Madera/Mono County Line

Next 3 Days:

1 Closure: Over the next three days, one closure is planned and is a full closure, near Madera/Mono County Line

Detailed List of Lane Closures

Data provided by CalTrans. Refer to CalTrans Official Lane Closures site for more information.

CalTrans Road Conditions SR-203

Detailed List of Road Conditions

In Central California & Sierra Nevada

Is closed from the Mammoth Mountain Inn (Mono Co) to the Mono/Madera Co Line - For the winter - Motorists are advised to use an alternate route

Chains or snow tires are required from 1 mi west of the Jct of US 395 to Old Mammoth Rd (Mono Co)

Chains or snow tires are required from Forest Trail Rd to the Mammoth Mountain Main Lodge (Mono Co)

Please research chain control locations as caltrans is currently working to update chain control descriptions for consistency with internet mapping, like google maps & mapquest.

Data provided by CalTrans. NOT FOR EMERGENCY USE. In an emergency visit official CalTrans website.

Chain Control on SR-203

Chain Control Information

SR-203 Major Junctions (1)

Mammoth Lakes, California

CalTrans Message Signs for SR-203 (1) - See All

Real-time highway message signs with travel times, travel, wind, fog and chain controls alerts and accident conditions.