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CHAPTER 4 TRANSPORTATION 78 • Six foot wide sidewalks are proposed for both sides of Silver Lake Road along the entire length of the project. The exception is that sidewalks from 5th Street to 7th Street will be located directly behind the curb to minimize right-of-way acquisition and widened to eight feet to accommodate signs and mailboxes. Traffic signals will be revised at the intersections of Silver Lake Road at Silver Lane, County Road E, 5th Street, and 7th Street to accommodate the new, wider roadway design. These signals will be interconnected to provide a coordinated system. Minor revisions will be necessary to the signals on Silver Lake Road at County Road D, Silver Lane, and Palmer Drive so they can be interconnected and coordinated with the other signals along Silver Lake Road. LONG LAKE ROAD Long Lake Road is an important north/south route from the standpoint of intracity mobility and freeway accessibility. Long Lake Road is properly classified as a collector street. C level of service or better is indicated at all but one location on Long Lake Road without capacity improvements. The one location is the I-694 interchange area where F level of service is anticipated until the bridge over I-694 is widened; the bridge widening will • result in B-C level of service. OLD HIGHWAY 8 For both safety and capacity reasons, a new railroad overpass should be constructed on the Soo Line over Old Highway 8 (near 1st Street SW). The old overpass lacks adequate horizontal and vertical clearance and the concrete abutments are badly deteriorated. The underpass is one of the few possible north/south routes in this area and provision for bicycles and pedestrians should be considered when a new underpass is built. OTHER INTERSECTIONS All other intersections will enjoy "C" level of service or better. Further improvements will be needed to parts of the street system for increased safety and ease of maintenance, even though capacity may be adequate. County Road E is one location where upgrading will be necessary. Its design should conform to the functional classifications of its different segments. Additional right-of-way will be needed at the intersection with Silver Lake Road. This should be kept in mind when reviewing proposed development on these corners. The upgrading of local streets is recommended from a serviceability and cost of maintenance standpoint. A pavement management .plan has been developed considering the rapidly escalating cost of road construction and repair materials. The plan contains an