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{q (\1 1.4.6 Erosion and Sedimentation The proposed project will require approximately 900,000 cubic yards of earthwork, with 65% on the U of M property, 25% on the MnDOT property and 10% on the Rice Creek North property. The earthwork operations will be routine except for the soil correction necessary under Rice Creek Parkway in the Rice Creek North property, In this area the underlying organic soils will be removed and replaced with granular material from the site. 1.4.7 Traffic The proposed mixed-use development project is estimated.to generate approximately 26,500 daily trips with 2,535 in the PM peak traffic hour. Traffic to and from the project site will use County Road (CR) J to the north and CR I to the south. Most of the site generated traffic will be oriented to I-35W. I-35W carries approximately 87,000 vehicles per day just south of CR I. CR I carries approximately 6,600 vehicles per day east of I-35W and CR J carries 13,800 vehicles per day east of 35W. Existing intersections in the project vicinity currently operate at LOS C or better. However, the following intersection movements experience unacceptable delays: . Southbound left turn from Naples Street to eastbound CR J . Northbound left turn from I-35W west ramp to CR I westbound . Northbound left turn from I-35W east ramp to CR I westbound The proposed project includes the completion of Rice Creek Parkway through the project site, connecting CR I and CR J. The analysis assumes signalization and lane improvements at the CR I and CR J intersections with Rice Creek Parkway. The analysis also assumes signalization at the east site driveway to CR J, at the CR IIWest 1-35W Ramp intersection, and at the CR I1East I-35W Ramp intersection. The only other change to the road system assumed is a left turn lane from westbound CR I to the West 1-35W ramps. With the project generated traffic, all of the key intersections are forecast to operate at LOS D or better during the PM peak traffic hour except the intersection of CR J and the West I-35W Service Road which is forecast to operate at LOS E. The forecast traffic volumes at this intersection will approach or exceed the practical capacity of the intersection resulting in long delay times. The intersection analysis assumes a traffic signal with walk/don't walk indications and pedestrian push button and 100 pedestrians per hour at the intersection ofCR I and Rice Creek Parkway. There are children who walk from the residential area east of Rice Creek to Pinewood School on the west side of I-35W. When Rice Creek Parkway is constructed they will need to cross it and pedestrian crossing facilities (crosswalk, push-button) will need to be provided. WISP ARK Rice Creek Corporate Park Draft EIS December 10, 1998 Page 6 . , . fI I I I I I I I el I I I e