California State Route 138, highway in California
California State Route 138 is a state highway spanning across Los Angeles and San Bernardino counties in Southern California. It connects various communities and passes through different terrain, serving as a regional transportation corridor for local and through traffic.
This highway was developed as a key connection between rural and urban areas to facilitate commerce and regional mobility. Its route has been expanded and improved over time to meet the growing transportation demands of the area.
Traffic can be heavy during rush hours, especially in early morning and late afternoon, so it is best to travel during off-peak times when possible. Conditions along the route may vary by section, and it is helpful to check current road conditions before traveling, particularly if weather or maintenance work is occurring.
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