State Route 91 Improvement Project Between State Route 57 and State Route 55

Summary

SCH Number
2018111042
Lead Agency
Caltrans 12 (Santa Ana) (California Department of Transportation, District 12)
Document Title
State Route 91 Improvement Project Between State Route 57 and State Route 55
Document Type
NEG - Negative Declaration
Received

Document Description
Caltrans District 12, in cooperation with the Orange County Transportation Authority, is proposing to improve traffic operations on SR 91 from PM 4.8 to PM R10.4, SR 57 from PM 15.6 to PM 16.1, and on SR 55 from PM 17.5 to PM R17.9 in the cities of Anaheim, Fullerton, Orange, and Placentia in Orange County, CA, a distance of approx 5.6 miles. The proposed improvements would include the SR-91 freeway mainline widening, primarily in the eastbound direction, and modifications to various interchanges, connectors, ramps, and intersections. Construction of the proposed project is expected to begin in 2026 and is anticipated to be completed in 2030, a duration of approx 3.5 years. The project is classified as category 4A, as described in Chapter 8 of the project development procedures manual.

Contact Information
Kathleen Dove
California Department of Transportation, District 12
1750 E. 4th St, Suite 100
Santa Ana, CA 92705

657-328-6153

Location

Coordinates
33°50'39"N 117°49'41"W
Cities
Placentia Orange Fullerton Anaheim
Counties
Orange
Cross Streets
intersection of SR 91, SR 57, SR 55 (5.6 miles)
Zip
various
Total Acres
239.5
Parcel #
various
State Highways
91, 57, 55, 90
Railways
Souther CA Regional Rail Authori
Schools
VAR
Waterways
Santa Ana River
Township
var
Range
var
Section
var

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (freeway widening with improvements (5.6 mi))
Local Action
Other Action Other Action: transportation project
Project Issues
Other Issues Cumulative Effects Landuse Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual Other Issues: community impacts, environmental justice, railroad, and energy
Reviewing Agencies
California Highway Patrol Department of Fish and Wildlife, Region 5 Air Resources Board California Department of Parks and Recreation California Public Utilities Commission Caltrans, District 12 Department of Conservation Department of Toxic Substances Control Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 8 Resources Agency San Gabriel & Lower Los Angeles Rivers & Mountains Conservancy State Lands Commission State Water Resources Control Board, Division of Drinking Water
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