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Lane Closures: SR-203

Current Lane Closures status for SR-203

Last Updated: 6/8/2026, 9:29:42 AM
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SR-203

Mammoth Lakes

East / Westbound

Winter Closure Point W of MMSA, near Mammoth Lakes, East / Westbound, route SR-203

Full closure

Wed, Oct 15 · 12:30 PM – until further notice

Lane All

of 2 lanes

Work
Winter Closure
Estimated delay
Not Reported min(s)
Log
#1 · T203AA
Full closure starting Wed, Oct 15 at 12:30 PM until further notice. Lanes closed: All. Log 1.

What This Page Shows

This page filters live lane closures data for SR-203 across all California districts that publish this route.

About Lane Closures on SR-203

View Real-time lane closures updates for SR-203 across Mono counties. Whether you are on a road trip or daily commute, stay informed with data directly from Caltrans instruments on SR-203.

This page filters data specifically for SR-203, passing through Mono. Monitor Lane Closures, road conditions, highway status to safely plan your journey.