Providing Guidance for Green Infrastructure in Southern California

San Diego County was among the first regions in Southern California to adopt Green Streets guidelines to improve understanding about green infrastructure and how it benefits the environment and community.
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The Green Streets guidelines have been put to use on the Cole Grade Road upgrade project, which is targeting completion in 2020.

The Green Streets design provides permeable medians, parking lanes, street trees and rain gardens within the lanes to improve stormwater management over traditional gray road designs.

San Diego County’s Green Streets program incorporates numerous green infrastructure design elements including tree wells, biofiltration rain gardens, rock gardens and permeable pavement.