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The automobile-highway system is the primary mode of travel in the region. The existing highway system consists of over 300 miles of freeways and about 7,150 miles of local streets and roads. Over 68 million vehicle miles are traveled daily, with an average vehicle trip length of 5.8 miles.
At present, the capacity of the auto-highway system is being exceeded in a number of corridors during the peak commute hours when most people are going to and from work. Testing and analysis of alternative development concepts indicate the future will bring more automobile congestion than today.
Through its funding administration and regional planning efforts, SANDAG is working with local, state and national agencies to meet the challenges facing our auto-highway system while preserving the region's quality of life. |
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 | Congestion Management Program |
| | The congestion management program targets resources to projects that promote alternatives to single-occupant car travel. |
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| State Route 11 and Otay Mesa East Port of Entry |
| | Scheduled to open in 2015, SR 11 and the Otay Mesa East Port of Entry will improve the efficient movement of people, goods, and services by the U.S. and Mexico. |
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| State Route 905 |
| | The completion of SR 905 will provide the connection from Interstates 5 and 805 to the Otay Mesa Port of Entry. Planning and construction of this project has been accelerated through the new STIP spending plan. |
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| I-15 Express Lanes |
| | Scheduled for completion in 2012, the I-15 Express Lanes will feature four lanes with a moveable barrier for maximum flexibility; multiple access points to the general purpose highway lanes; and direct access ramps for high-frequency Bus Rapid Transit service. |
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| I-805/I-5 South Corridor Study |
| | In partnership with Caltrans, SANDAG completed a study that recommended multimodal transportation improvements for the I-5 South and I-805 corridors. |
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| I-5 North Coast Corridor |
| | This 27-mile project will add highway lanes and operational improvements to provide mobility choices for motorists on I-5 in the northern San Diego region. |
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| Regional Arterial Management System |
| | SANDAG assists local agencies in coordinating the implementation of the regionwide traffic signal integration system. |
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| Intelligent Transportation Systems |
| | The cornerstone of the region's ITS Strategy is the development of a network that connects the region's local transportation management centers. |
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| South Bay Expressway |
| | The South Bay Expressway extends from Otay Mesa near the U.S./Mexico border to SR 54. |
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| San Ysidro Intermodal Transportation Center |
| | The new design reduces traffic congestion and enhances public safety in and around the San Ysidro Port of Entry. |
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| Regional Intermodal Transportation System Management Network and Freeway Management System |
| | During FY 2002, the initial regional Intermodal Network will begin linking the region's transportation management systems for freeways, arterial streets, transit, and traveler information. |
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| San Diego Region-Baja California Cross-Border Transportation Study |
| | This study resulted in the development of a Cross Border Travel Forecasting Model that assists local, state, and federal agencies on both sides of the border to plan highway, major roads, and other transportation infrastructure. |
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| State Routes 67/125 Corridor Study |
| | This study evaluated various transportation improvement options along the State Route 67 corridor in East County. |
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| Rural Highway 94 Corridor Study |
| | This study evaluated several transportation alternatives to accommodate future traffic flows on the rural Highway 94 corridor and recommended a strategy that combines improvements for roads, ports of entry, and rail cargo service. |
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