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Highway SR-203 Lane Closures, Road Construction and Blocked Lanes

This page provides details on CalTrans lane closures, road construction, and road closures that are either active or planned for Highway SR-203

CalTrans Lane & Road Closures on Highway SR-203

How does freeway lane numbering work?
203

West

Tue
25

In Mammoth Lakes The right shoulder will be closed for utility work along Westbound Highway 203 from Jun 25 at 7:01AM to Jun 25 at 5:01PM.

From: to in Mammoth Lakes Minaret Maintenance Station Rd.
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ID: P203DA-0001-2024-06-25-07:01:00
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