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6e Status of remaining infrastructure imurovements for realigned Vinevard Avenue and Old Vinevard Avenue. (IR 05:043) Rob Wilson, Director of Public Works, presented the staff report. Mr. Brozosky asked for the time frame of the landscaping improvements on Vineyard Avenue and if it was tied to some of the current development projects? Depending on the timing of the decision, Mr. Wilson said there are two potential developers, either Greenbriar or Centex that could install the landscaping improvements and at the same time, include the creation of the trail on Old Vineyard Avenue. Before the landscaping improvements are installed, staff is asking Council for direction to proceed with final design. Mr. Brozosky inquired about the barbed wire fence located east of Vineyard Avenue around the quarries. He did not believe it was attractive as a gateway to Vineyard Avenue. He also inquired about a previous Council considering tabors or speed humps for Old Vineyard Avenue. If Council were to approve the proposed location of the traffic signal where the recreational trail crosses Vineyard Avenue, he was concerned that motorists on Vineyard Avenue heading eastbound will have to navigate down a steep grade immediately before the signal and potential collisions might occur. He asked if the City would be liable? Mr. Roush said that staff would place an advanced yellow flashing beacon, which would be activated when the signal is about to turn red in the eastbound direction. There is a potential for liability if the Ciry creates a design that creates a trap for traffic where it is not obvious to someone that the City is creating a dangerous condition. Presumably, there would be adequate stopping distances for someone going the speed limit but the reality is that people may exceed the speed limit, which is why staff has recommended an advanced flashing yellow beacon. Ms. McGovern asked if some of the landscaping improvements could be installed and if the roundabouts could possibly be removed and instead, install a traffic signal similar to the signal at Montevino Drive? Based on Council's direction, Mr. Wilson said staff could proceed with the landscaping improvements on Old Vineyard Avenue and construct the trail and consider landscaping improvements along New Vineyard Avenue with the exception of the roundabouts. The traffic signal in terms of where the trail crosses is an important component of the trail and staff would not recommend building the trail without having an operational signal at the time the trail is built as it provides for crossing at this location. Ms. McGovern was concerned about the location of the proposed traffic signal. She has received emails from Vineyard Avenue residents who are expressing the danger of the roundabouts. She is looking for an overall safe way for motorists to enter and exit Pleasanton and she was not certain the design of the proposed traffic signal was the appropriate way to proceed. If Council chooses to consider alternatives, Mr. Wilson said staff would return with a report that outlines the past history of Vineyard Avenue and considers options and discusses the pros and cons of the roundabouts. He pointed out that the proposed traffic signal and the roundabouts are tied together. Pleasanton City Council 20 09/06/05 Minutes