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Bicycle and Pedestrian Plan Initial Study Less Than Significant Potentially Impact I Pith Less Than Sigmpcant Miligation Significant No Issues Impact Incorporated Impact Impact 1. Aesthetics Would the project: a) I1ave a substantial adverse effect on a scenic vista? X b) Substantially damage scenic resources, including, but not 1 X litnited to, trees, rock outcroppings, and historic buildings within a state scenic highway? c) Substantially degrade the existing visual character or quality P1 X of the site and its surroundings? d) Create a new source of substantial light or glare, which 1 X would adversely affect day or nighttime views in the area? Significance Criteria The impact questions above constitute the significance criteria for this environmental topic. Discussion of Checklist Questions Less- than Significant Impact. Views of any of the proposed off -street pedestrian and /or bicycle trails would be views of linear open space; views of open space would not be expected to result in adverse impacts on any scenic vista. Some new trails are proposed within existing parks, open space, and public land. The proposed trails are consistent the type of uses typically found in parks, open space, and public land. Some proposed sidewalks and bicycle routes involve existing right -of -way in previously developed areas. Views of signs and painted bicycle lanes, or of new, widened, or redesigned sidewalks would be minor aesthetic changes. Improvements for Class 1 facilities include sidewalks or pathways along existing right -of -way. Some improvements would result in the need for additional right -of -way or impact existing landscaping including street trees. The construction of new trails could result in the removal of some trees, although no future trails are expected to damage any rock outcropping or historic buildings. As part of the project, the City would replace any trees removed due to implementation of the Master Plan following requirements of the Pleasanton Municipal Code, Chapter 17.16: Tree Preservation. Because these trails would be new open space accessible to the public, some users of the trails may leave trash. In the past the City has assigned its staff to clean the public sidewalks and trails on a regular basis. As part of this project the City proposes to continue regular trail clean -up and thus excess trash would not be expected to result in an adverse effect on the environment. Interstate 680 (1 -680) is a designated scenic highway. Development of trails and paths for pedestrian and bicycle use would be linear pathways without tall structures, few of which would be readily noticeable from the freeway. Thus such development would not be expected to impact visual quality in a substantially negative manner. Revised 9/4/09 8 9/4/2(09