Welcome to I-805
Once completed, this project will create a 28-mile Managed Lanes facility in the median of I-805 between SR 905 and I-5.
I-805 is the backbone of mobility in the urban core of the San Diego region. It is a key north-south corridor that traverses the most heavily populated portion of the region. Average Daily Traffic (ADT) on I‑805 ranges from 110,000 to 250,000 vehicles with daily congestion lasting between two and four hours. ADT is expected to exceed 330,000 vehicles in 2030, with congestion lasting more than six hours.
Elements of the I-805 Managed Lanes project include:
- Four Managed Lanes
- Direct access ramps for buses and other high-occupancy vehicles
- Continuous Bus Rapid Transit (BRT) service to be operated on Managed Lanes (i.e., South Bay BRT).
Project functions
The I-805 Managed/HOV Lane project will offer a premium level of service to transit users, ridesharers and paying solo commuters during rush hours. During the off-peak periods, the Managed/HOV Lanes could be used for movement of goods. A BRT system would operate in the Managed/HOV Lanes, connecting South Bay and East County cities to major regional employment centers in downtown San Diego and Sorrento Valley.
Relevance of the I-805 Corridor
I-805 services some of the most heavily-populated communities and key employment centers in the region. It is also a critical corridor for international traffic because it begins less than one mile from the U.S.–Mexico border. I-805 provides access to South Bay cities, San Diego’s urban core, Mission Valley, Sorrento Valley, and the Miramar Marine Corps Air Station. It also connects with major east-west routes providing access to downtown San Diego and East County cities.
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I-805 Project Map
(PDF 452kb)
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