Hearn Avenue Interchange Project

Summary

SCH Number
2019120356
Lead Agency
Regional Water Quality Control Board, Region 1 - North Coast, Santa Rosa (California Regional Water Quality Control Board, North Coast Region 1)
Document Title
Hearn Avenue Interchange Project
Document Type
NOE - Notice of Exemption
Received
Posted
12/13/2019
Project Applicant
California Department of Transportation

Document Description
The Project will reconstruct the two-lane Hearn Avenue overcrossing ( one lane in each direction) in the same location and along generally the same alignment as the existing structure. The new overcrossing would have four through lanes (two lanes in each direction) and a raised center median that will accommodate left-turn lanes at the adjacent intersections. Sidewalks and striped bike lanes will be added on Hearn Avenue between Corby Avenue and Santa Rosa Avenue. The overcrossing profile will be raised to increase the vertical clearance from the nonstandard 15 feet, 2 inches (as signed on the existing overcrossing) to meet the current Caltrans required standard of 16 feet, 6 inches. On the west side of US 101, the Project will incorporate improvements to the southbound US 101 off-ramp, including pavement widening and striping to alleviate congestion. Additional turning lanes are proposed from the southbound US 101 off-ramp to Corby Avenue and on northbound Corby Avenue between the southbound US 101 ramps and Hearn Avenue. The Project will not change the alignment or operations of US 101, the southbound US 101 on-ramp or the northbound US 101 ramps.

Contact Information
Brandon Stevens
North Coast Regional Water Quality Control Board
5550 Skylane Boulevard Suite A
Santa Rosa, CA 95403

Phone : (707) 576-2377

Location

Cities
Santa Rosa
Counties
Sonoma
State Highways
101

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301
Reasons for Exemption
The project will not result in an expansion of existing facilities.

Attachments

Notice of Exemption
2019120356_Hearn Avenue Interchange Project   PDF 801 K

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