203 Drainage Improvements


SCH Number
Public Agency
California Department of Transportation, District 9 (DOT)
Document Title
203 Drainage Improvements
Document Type
NOE - Notice of Exemption

Document Description
Caltrans is proposing to make drainage improvements at five separate locations on State Route 203. Deficiencies at these locations include ponding, icing, and uncontrolled runoff. The purpose of this project is to improve roadway drainage by redirecting roadway runoff and reducing the potential for icing. Proposed solutions include installing curb and gutter, slot drains and possibly a new culvert. Some minor trenching will be required.

Contact Information
Ryan Spaulding
Caltrans District 9
Lead/Public Agency
500 South Main St.
Bishop, CA 93514

Phone : (760) 872-5244

California Department of Transportation
Project Applicant


Mammoth Lakes
Other Location Info
State Route 203 from post mile R2.3 to 7.6.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
After a review of the proposed project and field site visits it has been determined that no known environmental resources will be impacted by the project.


Notice of Exemption
2020090436_09-37820   PDF 278 K

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