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<br /> 18 <br /> Table 4. Summary of accidents in 1..s5 study. <br /> Lighted Section Unlighted Section <br /> Item Type 1 Type 2 Type 3 Typo . Typel Type 2 Type 3 Typo . <br /> Number of Day Accidents <br /> Ma.1nline 284 93 3 88 306 110 7 123 <br /> Ramp entrance 574 25 1 2 301 24 1 0 <br /> Ramp exit 2 . 0 1 6 6 1 6 <br /> On-ramp .2 1 Q .1 1 2 -" 3 <br /> Total 863 123 . 92 614 142 11 13' <br /> Number ot Night Accidents <br /> Main line 77 30 10 90 90 61 9 90 <br /> Ramp entrance 119 14 0 . 63 3 0 1 <br /> Ramp exit , . 0 6 3 , 1 9 <br /> On-ramp 0 ~ .1 , c ~ .1 2 <br /> T"''' 198 48 11 10' 176 69 11 102 <br /> Night-Day Ratio <br /> Main line 0.79 0.92 2.92 0.83 1.61 2.00 <br /> Ramp entrance 0.59 0.78 <br />"] Ramp exit and on-ramp <br /> Overall 0.65 1.11 3.16 0.82 1.41 2.23 <br /> ACcidents/MVM <br /> Day 6.15 0.88 0.66 1.58 0.36 0.34 <br /> Night 4.02 0.98 2.08 1.30 0.51 0.76 <br /> Percentage of Section Accidents <br /> Mainline 25 9 12 31 14 17 <br /> Ramp entrance 48 3 30 2 <br /> Ramp exit and on-ramp .1 .1 1 .1 -" .1 <br /> Total 73 13 13 62 17 19 2 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Table 5. Percentage of night accidents within and between interchanges. <br /> <br /> Unlighted Lighted <br /> Type of <br />Rout. Interchange Within Between Within Between <br />1-85, DeKalb County 25 33 <br />1-94 sec. 3, Chicago Cloverleaf 38 <br />1-94 sec. 1-2, Chicago Diamond 43 '6 <br />I-94 sec. 0,4, Chicago Cloverleaf '6' 52' 25' 34' <br />1-94 sec. 5-7, Chicago Cloverleaf '9" ,.. 36' 43' <br />111-394 sec._B_9, Chicago Cloverleaf 49 48 <br />I-55 sec. 0-4, 7-9, Chicago Cloverleaf 42 38 <br />I-55 sec. 5-6, Chicago Diamond 33 37 <br />'Before. bAtter. <br /> <br />.... <br />