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Expected Forecasts <br /> <br /> Table 5-6 <br /> 2010 Expected Forecast Analysis of Interchange Overpasses- <br />- 1-680 (PM Peak Hour) <br /> <br /> Westbound Eastbound <br /> Required Required <br /> <br /> Locatio n Volume Lanes Volume Lanes <br /> <br /> Livorna 46 I 534 1 <br /> Stone Valley 962 I 1,26 1 <br /> El Pintado 26 I 376 1 <br /> El Cerro 138 1 625 1 <br /> Diablo 582 I 837 1 <br /> Sycamore Valley 757 I 1,588 2 <br /> Crow Canyon 1,219 1 2, 141 2 <br /> Bollinger Canyon 2,307 2 1,617 2 <br /> Alcosta 740 I 531 1 <br /> 1-680/I-580 5,407 3 8,067 4 <br /> Stoneridge 1,593 2 1,318 1 <br /> Las Positas 775 I 426 1 <br /> Bernal 480 1 1,593 2 <br /> Sunol 852 I 285 1 <br /> Route 84 1,537 2 490 I <br /> <br /> Note: Assumes capacity of 1,200 per lane, except freeways 2,200 per lane. None predicted to be <br />-- overcapacity. <br /> <br /> Source: Barton-Aschman Associates, Inc., 1994. <br /> <br /> -- Barton-Aschman Associates, Inc. 99 <br /> <br /> <br />