Capital SouthEast Connector

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The Capital SouthEast Connector is a planned 34-mile expressway in California that will run from Interstate 5 to U.S. Route 50. It will pass through Sacramento County, Elk Grove, Rancho Cordova, Folsom, and El Dorado County and is meant to give drivers an alternative to the region’s current freeways. The project is being built in four-lane and six-lane segments and is currently under construction.

Route overview
- Western end: Starts at the I-5 / Hood Franklin Road interchange and heads east as a four-lane expressway to Bruceville Road. It then connects with Kammerer Road as a four- to six-lane road.
- Middle section: Crosses SR 99 to the Grant Line Road interchange and then continues northeast along Grant Line Road as a four- to six-lane roadway.
- Sheldon/Calvine area: At Bond Road the route becomes the Sheldon Section up to Calvine Road. This area is known as the Special Section because of its proximity to the Sheldon community; as of 2019 it was still undergoing environmental and design reviews and planned as one of the last segments to be completed.
- Eastern section toward Rancho Cordova: From Calvine Road toward Rancho Cordova, the connector is designed as a four-lane high-speed expressway with grade-separated interchanges and speed limits up to 65 mph.
- County line to Silva Valley: The expressway continues to the Sacramento–El Dorado county line and then becomes a six-lane thoroughfare ending at the Silva Valley Parkway Interchange.

Purpose
- The project is intended to relieve traffic on SR 99 and US 50 and provide a new route to accommodate growing suburban areas around Elk Grove, Folsom, and El Dorado County.

History and status
- Background: After earlier freeway plans in the region were halted in the 1970s–1990s, SACOG proposed a new southeast Sacramento County expressway to ease congestion.
- Organization: The Capital SouthEast Connector Joint Powers Authority (JPA) was formed in December 2006 by local agencies to plan, review, design, and develop the project.
- Early work: Initial efforts have begun on the northern end at the Silva Valley interchange and the Grantline interchange.
- Progress: In February 2014, a two-mile, four-lane segment between White Rock Road and Prairie City Road was completed.
- Timeline: Phase I is planned to be completed by about 2025, with Phase II planned for 2030–2040. Dates are subject to financing and change.