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BACKGROUND In January 1983 Caltrans and the City of Pleasanton adopted an agreement for the construction, operation and maintenance of traffic signals at the 1-580/Hopyard Road interchange. The agreement realized the need to maximize traffic signal efficiency along Hopyard Road (Pleasanton) and Dougherty Road (Dublin). Caltrans agreed that Pleasanton should operate and maintain both traffic signals. In 1990 the City and Caltrans updated this agreement to include the following: • Pleasanton will operate and maintain traffic signals at locations where arterials intersect with Caltrans facilities (1-580 and 1-680). • Caltrans will reserve the option to check at random all areas maintained by the City to assure conformance and terminate the agreement if the City failed to maintain acceptable maintenance levels. This includes traffic signal timing. • The City and Caltrans will share routine operations and maintenance costs. • Any improvements or modifications will be paid for by the City unless agreed upon by Caltrans. The I-680/Stoneridge Drive and 1-580/Hopyard Road traffic signals were included in the agreement. Subsequent amendments by the City and Caltrans added 1-580 interchange traffic signals at Hacienda Drive and Santa Rita Road/Tassajara Road. DISCUSSION The Foothill Road at 1-580 interchange is a heavily traveled roadway segment in Pleasanton, carrying approximately 37,000 vehicles per day. Nearby commercial and retail land uses generate significant morning and afternoon peak hour traffic. Improving signal timing in this area will help reduce average delays and greenhouse gas emissions. By assuming operation and maintenance responsibilities for the two traffic signals at the redesigned interchange, the City can implement signal timing designed to improve traffic operations. The signals will also be integrated into the City's state-of- the-art Traffic Operations Center, which allows staff to implement signal timing improvements and monitor traffic conditions in real time. The City currently employs a full time (24/7) on-call traffic signal maintenance firm responsible for the operations of each of its traffic signals. These signals would be included in the City's maintenance program and would include monthly, quarterly, and annual maintenance reviews and proactive equipment replacement. The City can respond quickly and efficiently to maintenance issues and emergencies (i.e. detector malfunctions, intersection equipment failures, etc.), reducing intersection "down time" and minimizing impacts to corridor traffic. The City has successfully operated and maintained other signalized interchanges owned by Caltrans via the existing agreement for almost 30 years. Per the agreement, Caltrans will continue to reserve the option to review at random all areas maintained by the City to assure conformance and terminate the agreement if the City failed to maintain acceptable operations and maintenance levels. The City and Caltrans will Page 2 of 3