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SA 1232 Exhibit A <br /> Page 2 <br /> VISIBILITY STUDY: See Location Sketch <br /> Train Speed 60 MPH <br /> Roadway Speed 30 MPH <br /> Required Stopping Sight Distance (SSD) <br /> Along Roadway 222 FEET <br /> Along Tracks 583 FEET <br /> Required Clearing Sight Distance (CSD) 1440 FEET <br /> (Along Tracks) <br /> Distances calculated per American Association of State Highway and Transportation Officials(AASHTO),A Policy on <br /> Geometric Design of Highways and Streets,2001, Fourth Edition. <br /> QUADRANT CSD OBSTRUCTION SSD OBSTRUCTION <br /> (FT) (FT) <br /> NE 700 Embankment/trees 300 Track in cut section <br /> NW 700 Curve in track 100 house <br /> SE 900 Curve in track Ok But bad angle if on US 36 <br /> SW ok N/A N/A But bad angle if on US 36 <br /> *Note: Automatic flashing light signals and gates(AFLS&G)eliminate the need to satisfy minimum Site Distance criteria. <br /> APPROACH GRADES: <br /> DIRECTION/North DIRECTION/South <br /> DISTANCE ELEVATION GRADE DISTANCE ELEVATION GRADE <br /> (FT) FT (%) FT FT) (%) <br /> 25 99.8 0.8 25 99.9 0.4 <br /> 50 100.10 +1.2 50 99.7 0.8 <br /> Distance measured from outermost rail. <br /> COMMENTS: <br /> Norfolk Southern Railway's preliminary estimate of cost for new automatic warning devices is <br /> $189,572. <br /> IDOT will pay 70% of this cost and Grade Crossing Protection will pay 30% (not to exceed $56,872), <br /> and the railroad will maintain. <br /> Page three will be the Location Sketch (Aerial Photo) of the crossing. <br /> 2 <br />