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Administrative Draft Environmental Impact Report Gill Medical Center Project 4.19.1.1 Study Area Roadways The Traffic Study presents analyses of traffic operating conditions at intersections, on roadways, and at freeway rampjunctions, in the study area that may be affected by the proposed Project. The limits of the study area were identified through discussions with County of San Joaquin staff(Levers pers. comm.) As shown in Figure 4.19-1. Vicinity Map, the Project site is located northeast of the intersection of Eight Mile Road and West Lane. Figure 4.19-1 also shows the existing road network in the project vicinity and the following describes the key roadways that comprise the study area. The location and alignment of these roadways are graphically shown in Figure 4.19-2. Roadway Network and Study Intersections - Existing and Existing Plus Approved Project Conditions. Roadway Network and Study Intersections - Long-Term Future Cumulative Conditions and Figure 4.19-4. City of Stockton Existing and Planned Bicycle Network. Interstate 5 Interstate 5 (1-5)is a major north-south freeway that traverses the western U.S., originating in southern California and continuing north towards Sacramento and beyond. It is aligned through the western portion of the City of Stockton, providing three travel lanes in each direction in the vicinity of the project site, and providing four travel lanes in each direction in other portions of the Stockton area. Twelve interchanges are provided along the 14-mile stretch of 1-5 within and adjacent to the City limits.The portion of 1-5 in the North Stockton area was recently improved. Current average daily traffic (ADT) volumes are between 63,000 and 74,000. The speed limit on 1-5 in the vicinity of the project site is 70 miles per hour (mph). State Route 99 State Route 99 (SR 99) traverses the Central Valley, connecting Sacramento and points north with numerous Central Valley cities, including Modesto, Merced, Fresno and Bakersfield. Three travel lanes are provided in each direction north of Wilson Way, while segments south of Wilson Way include two lanes per direction. Twelve interchanges are provided along the 12-mile length of SR 99 within and adjacent to the City limits. Average daily traffic volumes on SR 99 range between 79,000 and 80,000 in the vicinity of the project site. The speed limit on SR 99 is 65 mph in the vicinity of the proposed project site. Eight Mile Road Eight Mile Road is an east-west roadway south of the project site. As shown in Figure 3-5, the Project site is proposed to have access to Eight Mile Road via a project driveway. In the vicinity of the Project site, the majority of Eight Mile Road is two lanes wide (one lane in each direction). However, some portions of Eight Mile Road are four-lanes wide, and limited portions have three lanes in a single direction. In the vicinity of the project site, the posted speed limit along Eight Mile Road is 45 mph. Eight Mile Road has access to SR 99 at an interchange that includes a two-lane overcrossing of SR 99. A Project Study Report (PSR) has been prepared for proposed improvements to this interchange. Eight Mile Road also has access to 1-5 at an interchange that includes an undercrossing of 1-5. Grade-separated crossings of railroad tracks are located at approximately one-half mile east of the project site, and approximately 1.6 miles west of the Project site. Transportation 4.19-2 October 2021