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Frequently Asked Questions

Why is the Presidio Parkway design the best design for the corridor?

The Presidio Parkway has the unique features of a parkway design, including a wide landscaped median, a traffic calming transition to city streets, and reduced lane and shoulder widths, with enhanced pedestrian connections within the Presidio to the Main Post, Crissy Marsh, the National Cemetery and Historic Batteries. It provides new direct access to the Presidio and enhanced views from within the Presidio. It will be a spectacular regional gateway that complements the unique environment of San Francisco and the Presidio, a national park. View the overview booklet for more information about the parkway's design and features.

Why is replacing Doyle Drive so important to the region?

Replacing Doyle Drive with a modern, earthquake-safe facility is a high-priority safety project, as the facility currently rates only 2 out of 100 in structural sufficiency. Doyle Drive is the primary highway and transit linkage through San Francisco between counties to the north and south, yet requires extensive seismic, structural and traffic safety upgrades. Should an earthquake or structural failure force the closure of Doyle Drive for any significant length of time, freeways in the North and East Bay areas would experience staggering congestion from rerouted trips, and the regional transit and ferry systems would be greatly overburdened. Severe economic hardship and job relocation would likely result for the North Bay counties as well as San Francisco. In the short term, regular maintenance, seismic retrofits and rehabilitation activities are keeping the structure safe. However, in the long term, permanent improvements are needed to bring Doyle Drive up to current design and safety standards.

How does the project design improve connectivity in the Presidio?

Doyle Drive is located within a National Historic Landmark District and a national park and, as such, the design team went to great lengths to reduce the footprint of the new roadway, connect the Presidio to the surrounding area, and respect the project setting. The parkway concept replaces the old Doyle Drive with a new roadway designed as an integrated part of the national park, rather than just a highway running through it. The addition of tunnels to the design also helps increase green space within the park and improve connections between points north and south of the roadway. These concepts are described in more detail in the Connecting People and the Park fact sheet.

How does the new roadway serve bicyclists and pedestrians?

The new roadway design will allow pedestrians and bicyclists to cross over or under Doyle Drive at numerous locations in accordance with the Presidio Trails and Bikeways Master Plan, including at Lincoln Boulevard, McDowell Avenue, Halleck Street, Girard Road, Richardson Avenue and adjacent to Tennessee Hollow. In addition, the design will provide enhanced opportunities for crossing Doyle Drive and new connections to Battery Blaney, Main Post and Crissy Field in the areas over both sets of tunnels.

How will the project be funded?

A balanced funding strategy has been developed for Doyle Drive, relying on a combination of federal, state, regional and local funds to meet the project's approximately $1.045 billion price tag. Visit the Costs & Funding page for more information.

Will the Presidio Parkway increase traffic by accommodating more vehicles?

The Presidio Parkway design will serve the same traffic capacity as Doyle Drive does now. In response to public comments, the project's traffic study was expanded beyond its original parameters. The results of the expanded analysis are presented in the FEIS/R. No adverse impacts from this project onto the surrounding neighborhoods were indicated. The study found that roadway intersections and highway segments will have the same general level of congestion as forecasts show for the roadway if no changes were made.

Will the Presidio Parkway design affect the YMCA pool?

The Presidio Parkway does not change Building 1151 (YMCA pool) and so the building will remain intact.

What will be the footprint of the project?

The total roadway width will be 105.3 feet and the overall facility width, including the landscaped median, will vary from 121.7 feet to 146.3 feet. The new facility will overlap a large portion of the existing facility's footprint east of the Park Presidio Interchange.

How does the Presidio Parkway design balance the traffic between Richardson Avenue, the Marina, and Girard Road?

The design achieves a balance of traffic flow between Marina Boulevard and Richardson Avenue that is very similar to existing conditions. Also, some traffic in the area will be alleviated by the introduction of Girard Road access into the Presidio, which will attract local traffic to and from currently unavailable destinations within the Presidio and points south.

Traffic models of the new configuration for this interchange show no increase in traffic delays for those traveling from the Marina to Doyle Drive, or along Doyle Drive to Richardson Avenue or Girard Road.

View a video of the new configuration.


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