Mammoth Lakes
Eastbound
Lake Mary Rd. / 4 Mi. W of Jct. 395, near Mammoth Lakes, Eastbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Chain Controls: SR-203
Current Chain Controls status for SR-203
Last Updated: 6/8/2026, 9:11:46 AM
Showing 9 results
Mammoth Lakes
Eastbound
Old Mammoth Rd., near Mammoth Lakes, Eastbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Westbound
Mammoth Welcome Center / 2.5 Mi. W of Jct. 395, near Mammoth Lakes, Westbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Westbound
1 Mi W of Jct. 395 / 1.5 Mi. E of Meridian Blvd., near Mammoth Lakes, Westbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Eastbound
1 Mi W of Jct. 395 / 0.3 Mi. E of Meridian Blvd. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (15)0, near Mammoth Lakes, Eastbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Westbound
WINTER CLOSURE GATE - Red's Meadow, near Mammoth Lakes, Westbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Eastbound
Mammoth Mtn. Main Lodge / Minaret Substation, near Mammoth Lakes, Eastbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Westbound
Forest Trail Rd., near Mammoth Lakes, Westbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.Mammoth Lakes
Westbound
Jct. 395, near Mammoth Lakes, Westbound, route SR-203StatusR-0
No chain controls are in effect at this time.
R-0. No chain controls are in effect at this time.What This Page Shows
This page filters live chain controls data for SR-203 across all California districts that publish this route.
- Current items: 9
- Matching counties: Mono
- Scope: Route-wide view with location-level filtering
About Chain Controls on SR-203
View Real-time chain controls 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 Chain Controls, road conditions, highway status to safely plan your journey.