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j ~ r r ~ <br />DISTRICT AGREEMENT <br />12-522 <br />ATTACHMENT 3 <br />DEFINTTIONS <br />Basic Design Features - A general description of the facility: <br />• Design speed of State Highway facility and Local Agency roads and streets. 120 km/h and 75 <br />km/h <br />• Number of through lanes, auxiliary lanes and locations of interchanges and separations. 4 <br />through lanes each direction, one auxiliary lane each direction, one through HOV lane each <br />direction, 0.8 km to MacArthur Boulevard, 0.6 km to Dyer Road, 2.4 km to 55/405 interchange <br />• Widths of through lanes, medians, and shoulders for both the State Highway facility and local <br />roads and streets. FREEWAY: Lanes are 3.6 meters, median varies >5.4 meters, right shoulders <br />are 3.0 meters, left shoulders vary from 0.6 meters to >3.0 meters; STREET: lanes vary 3.6 to <br />4.9 meters, median varies 3.6 to 4.9 meters <br />• Need for special feature such as sound walls, transportation system management plans, HOV <br />lanes, bridge widening, ramp metering, etc. See Figure 2-1.3A of State Project Development <br />Procedures Manual for additional discussion of items to be considered as basic design features. <br />Existing HOV lanes would be maintained, new HOV drop ramps would be implemented, Dyer <br />Road under crossing would be widened, Alton Avenue over crossing would be constructed, ramp <br />meters would be included on all four affected on-ramps <br />Mandatory and Advisory Design Standards have been approved on 10/02/2001 and 8/23/2001 <br />respectively. <br />