58 Truck Climbing Lane
Draft Initial Study with Proposed Negative Declaration/Environmental Assessment
General Project Information
The California Department of Transportation (Caltrans) proposes to widen the pavement and upgrade other facilities in order to construct a 12-foot-wide eastbound truck climbing lane on State Route 58, from approximately 0.80 miles east of the junction with State Route 223 to 0.40 miles west of Hart Flat Road.
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Other features of the project include:
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Restriping the intersection with Bealville Road to provide an eastbound acceleration lane
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Removal of the Bena Road at-grade intersection to eliminate cross traffic and reduce conflicts with on/off traffic
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Increasing inside and outside shoulder widths
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Drainage improvements
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Culvert enhancement to improve wildlife connectivity
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Guardrail and signage upgrades
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Addition of rumble strips
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Relocation of lighting at the Bealville Road intersection
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The project has been approved by the California Department of Transportation. A final environmental document has been signed and is uploaded to this website. The final document can also be accessed via the State Clearinghouse here.
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A virtual public information meeting was held on Tuesday, April 11th at 5:30pm.
Project Map
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The project lies in Kern County on eastbound State Route 58 from post mile 76.3 to post mile 79.8. Total length of the project is approximately 3.5 miles. The project proposes to improve the eastbound direction of travel. Within the limits of the project, State Route 58 is classified as a four-lane freeway except for a short segment near State Route 223, which is classified as four-lane expressway. State Route 58 performs as a westerly extension of Interstate 40 and provides a connection between US Route 101, near Santa Margarita, and Interstate 15 near Barstow. The route serves both interregional and interstate travel. State Route 58 crosses the Tehachapi Mountains, south of the Sierra Nevada, allowing motorists to travel between the Central Valley to Las Vegas, Nevada, and Phoenix, Arizona.
Project Schedule (Subject to Change):
Project Approval & Environmental Document – 7/15/2023
Design Complete – 5/2026
Advertise Project – 10/2026
Begin Construction - 2/2027
