Figure 6 Proportion of KAB Crashes1 that Occured on Sharp Horizontal Curves in Each County

Figure 6
Proportion of KAB Crashes1 that Occured on Sharp Horizontal Curves in Each County

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In percent; averaged over the 1992-1999 period and 6 neighboring counties

TxDOT COUNTY # COUNTY NAME Longitude X Latitude Y Curve%
1 ANDERSON -95.64440 31.81800 21
2 ANDREWS -102.63720 32.30450 2
3 ANGELINA -94.61810 31.24590 27
4 ARANSAS -97.00250 28.12800 15
5 ARCHER -98.68700 33.61510 14
6 ARMSTRONG -101.35700 34.96490 13
7 ATASCOSA -98.54150 28.87500 12
8 AUSTIN -96.25900 29.90680 23
9 BAILEY -102.82930 34.06850 6
10 BANDERA -99.25750 29.74130 32
11 BASTROP -97.31250 30.09790 23
12 BAYLOR -99.21300 33.61650 15
13 BEE -97.74820 28.40840 17
14 BELL -97.46090 31.03310 27
15 BEXAR -98.52150 29.44690 23
16 BLANCO -98.40370 30.27740 32
17 BORDEN -101.43090 32.74360 10
18 BOSQUE -97.62750 31.89690 24
19 BOWIE -94.44190 33.44210 17
20 BRAZORIA -95.43430 29.18250 12
21 BRAZOS -96.28660 30.66480 24
22 BREWSTER -103.27850 29.83060 13
23 BRISCOE -101.20800 34.53020 13
24 BROOKS -98.21770 27.03760 9
25 BROWN -99.00820 31.76830 20
26 BURLESON -96.62680 30.48860 26
27 BURNET -98.18920 30.80930 33
28 CALDWELL -97.62430 29.83350 22
29 CALHOUN -96.64620 28.50600 11
30 CALLAHAN -99.37270 32.29760 21
31 CAMERON -97.50660 26.12710 11
32 CAMP -94.98320 32.96900 20
33 CARSON -101.35360 35.40360 10
34 CASS -94.34370 33.07670 20
35 CASTRO -102.26110 34.53000 10
36 CHAMBERS -94.59290 29.75090 15
37 CHEROKEE -95.15420 31.84750 22
38 CHILDRESS -100.20730 34.52890 17
39 CLAY -98.21180 33.78370 14
40 COCHRAN -102.82790 33.60290 5
41 COKE -100.52930 31.88850 16
42 COLEMAN -99.45260 31.77430 16
43 COLLIN -96.57320 33.18650 27
44 COLLINGSWORTH -100.26950 34.96480 10
45 COLORADO -96.53030 29.62580 20
46 COMAL -98.27530 29.80380 24
47 COMANCHE -98.56570 31.93590 21
48 CONCHO -99.86480 31.32560 13
49 COOKE -97.22120 33.63370 23
50 CORYELL -97.79900 31.39080 25
51 COTTLE -100.27870 34.07840 15
52 CRANE -102.50060 31.43710 2
53 CROCKETT -101.39270 30.74370 10
54 CROSBY -101.29950 33.61440 13
55 CULBERSON -104.53130 31.46010 13
56 DALLAM -102.60150 36.27790 9
57 DALLAS -96.77780 32.76650  
58 DAWSON -101.94710 32.74260 6
59 DEAF SMITH -102.60460 34.96600 8
60 DELTA -95.69320 33.38950 21
61 DENTON -97.11740 33.20400 25
62 DEWITT -97.34050 29.07510 17
63 DICKENS -100.77830 33.61610 19
64 DIMMIT -99.75710 28.42220 7
65 DONLEY -100.81340 34.96500 12
66 KENEDY -97.72210 26.92890  
67 DUVAL -98.50140 27.68240 10
68 EASTLAND -98.84810 32.33420 20
69 ECTOR -102.54230 31.86890 2
70 EDWARDS -100.31350 29.99970 26
71 ELLIS -96.80790 32.35260 25
72 EL PASO -106.20460 31.80020 14
73 ERATH -98.21740 32.22940 22
74 FALLS -96.93560 31.25250 24
75 FANNIN -96.10010 33.58980 24
76 FAYETTE -96.91360 29.87340 19
77 FISHER -100.40150 32.74260 13
78 FLOYD -101.30270 34.07220 14
79 FOARD -99.78750 33.97040 12
80 FORT BEND -95.78200 29.52870 19
81 FRANKLIN -95.21880 33.17580 18
82 FREESTONE -96.15090 31.70100 21
83 FRIO -99.10810 28.86730 12
84 GAINES -102.63480 32.74030 3
85 GALVESTON -95.00500 29.38740 16
86 GARZA -101.29800 33.17960 13
87 GILLESPIE -98.94680 30.31800 37
88 GLASSCOCK -101.52020 31.86950 6
89 GOLIAD -97.41820 28.65700 14
90 GONZALES -97.49390 29.42860 20
91 GRAY -100.81250 35.40070 8
92 GRAYSON -96.67710 33.62290 25
93 GREGG -94.80980 32.47440 19
94 GRIMES -95.98390 30.54790 22
95 GUADALUPE -97.93730 29.58330 22
96 HALE -101.82650 34.07050 10
97 HALL -100.68100 34.53060 17
98 HAMILTON -98.10710 31.69450 24
99 HANSFORD -101.35410 36.27750 11
100 HARDEMAN -99.75710 34.28550 10
101 HARDIN -94.39180 30.33720 20
102 HARRIS -95.38690 29.86050  
103 HARRISON -94.36020 32.54650 22
104 HARTLEY -102.60280 35.83980 8
105 HASKELL -99.72960 33.17820 15
106 HAYS -98.03250 30.05340 27
107 HEMPHILL -100.26990 35.83760 8
108 HENDERSON -95.85150 32.21950 23
109 HIDALGO -98.17570 26.37700 11
110 HILL -97.14370 31.98740 25
111 HOCKLEY -102.34260 33.60800 8
112 HOOD -97.83930 32.43390 22
113 HOPKINS -95.55620 33.14670 18
114 HOUSTON -95.44090 31.33340 22
115 HOWARD -101.43520 32.30620 10
116 HUDSPETH -105.35870 31.48080 14
117 HUNT -96.08580 33.12650 25
118 HUTCHINSON -101.35420 35.84010 12
119 IRION -100.98260 31.30320 11
120 JACK -98.17200 33.23340 16
121 JACKSON -96.58150 28.95640 13
122 JASPER -94.01280 30.79090 22
123 JEFF DAVIS -104.11920 30.70090 13
124 JEFFERSON -94.17430 29.89090 19
125 JIM HOGG -98.69570 27.03480 7
126 JIM WELLS -98.10450 27.76320 14
127 JOHNSON -97.37420 32.38040 27
128 JONES -99.87840 32.73990 18
129 KARNES -97.84640 28.88740 16
130 KAUFMAN -96.28420 32.60080 28
131 KENDALL -98.71690 29.94550 26
132 KENT -100.77740 33.18100 10
133 KERR -99.37560 30.05640 39
134 KIMBLE -99.75370 30.47620 36
135 KING -100.25530 33.61620 13
136 KINNEY -100.41670 29.34490 25
137 KLEBERG -97.74940 27.43230 15
138 KNOX -99.74410 33.60540 15
139 LAMAR -95.56770 33.66730 19
140 LAMB -102.35100 34.06830 7
141 LAMPASAS -98.23710 31.18820 31
142 LA SALLE -99.09980 28.34470 6
143 LAVACA -96.93250 29.38410 16
144 LEE -96.96420 30.31700 22
145 LEON -95.99050 31.29610 18
146 LIBERTY -94.81910 30.13730 19
147 LIMESTONE -96.58480 31.54780 22
148 LIPSCOMB -100.27280 36.27770 8
149 LIVE OAK -98.13370 28.33000 17
150 LLANO -98.68500 30.70510 31
151 LOVING -103.56610 31.85830 3
152 LUBBOCK -101.81990 33.61010 10
153 LYNN -101.81560 33.17640 9
154 MADISON -95.93000 30.96350 18
155 MARION -94.36600 32.80000 21
156 MARTIN -101.95070 32.30610 5
157 MASON -99.22660 30.71750 23
158 MATAGORDA -95.97580 28.85040 12
159 MAVERICK -100.29120 28.77970 14
160 MCCULLOCH -99.34730 31.19810 11
161 MCLENNAN -97.20130 31.55240 21
162 MCMULLEN -98.56710 28.34890 7
163 MEDINA -99.11220 29.35300 19
164 MENARD -99.82300 30.88500 9
165 MIDLAND -102.03100 31.86900 2
166 MILAM -96.97870 30.78460 23
167 MILLS -98.58080 31.49080 24
168 MITCHELL -100.92070 32.30590 14
169 MONTAGUE -97.71660 33.67360 18
170 MONTGOMERY -95.50400 30.29130 24
171 MOORE -101.89250 35.83760 11
172 MORRIS -94.73170 33.11320 19
173 MOTLEY -100.77920 34.07410 18
174 NACOGDOCHES -94.60650 31.61980 24
175 NAVARRO -96.47010 32.04610 22
176 NEWTON -93.75880 30.82570 24
177 NOLAN -100.40550 32.30350 19
178 NUECES -97.63560 27.72020 16
179 OCHILTREE -100.81530 36.27820 12
180 OLDHAM -102.60190 35.40440 9
181 ORANGE -93.88540 30.12770 17
182 PALO PINTO -98.31070 32.75270 18
183 PANOLA -94.30370 32.15890 22
184 PARKER -97.80480 32.77730 21
185 PARMER -102.78390 34.52990 9
186 PECOS -102.73090 30.78840 7
187 POLK -94.81900 30.78950 26
188 POTTER -101.89340 35.40110 9
189 PRESIDIO -104.21740 30.01980 13
190 RAINS -95.78840 32.87300 21
191 RANDALL -101.89650 34.96580 8
192 REAGAN -101.52280 31.36640 6
193 REAL -99.82390 29.82440 32
194 RED RIVER -95.06400 33.61460 18
195 REEVES -103.71250 31.30230 11
196 REFUGIO -97.16960 28.33120 15
197 ROBERTS -100.81280 35.83800 11
198 ROBERTSON -96.50940 31.03280 20
199 ROCKWALL -96.40740 32.89780 26
200 RUNNELS -99.97560 31.83150 18
201 RUSK -94.76410 32.10870 20
202 SABINE -93.85880 31.33390 25
203 SAN AUGUSTINE -94.16550 31.39940 25
204 SAN JACINTO -95.18650 30.55530 23
205 SAN PATRICIO -97.51840 28.00850 15
206 SAN SABA -98.82870 31.14350 20
207 SCHLEICHER -100.53810 30.89710 9
208 SCURRY -100.91590 32.74610 12
209 SHACKELFORD -99.35360 32.73580 18
210 SHELBY -94.14050 31.79100 23
211 SHERMAN -101.89290 36.27760 13
212 SMITH -95.27100 32.38230 18
213 SOMERVELL -97.77830 32.22460 21
214 STARR -98.72550 26.56750 8
215 STEPHENS -98.83610 32.73540 20
216 STERLING -101.05020 31.82900 10
217 STONEWALL -100.25320 33.17880 14
218 SUTTON -100.53740 30.49800 15
219 SWISHER -101.73440 34.53030 10
220 TARRANT -97.29130 32.77020 21
221 TAYLOR -99.88960 32.30150 19
222 TERRELL -102.06360 30.21370 9
223 TERRY -102.33480 33.17390 5
224 THROCKMORTON -99.21190 33.17740 19
225 TITUS -94.96350 33.21800 20
226 TOM GREEN -100.44860 31.41600 13
227 TRAVIS -97.77950 30.34150 26
228 TRINITY -95.13030 31.08420 24
229 TYLER -94.37960 30.76470 24
230 UPSHUR -94.94750 32.73930 20
231 UPTON -102.04240 31.36940 3
232 UVALDE -99.76180 29.35720 22
233 VAL VERDE -101.11080 29.91870 17
234 VAN ZANDT -95.84640 32.55890 21
235 VICTORIA -96.97560 28.79800 12
236 WALKER -95.55870 30.73860 21
237 WALLER -95.98950 30.02040 25
238 WARD -103.08910 31.51400 4
239 WASHINGTON -96.39550 30.21460 26
240 WEBB -99.31560 27.78410 4
241 WHARTON -96.21560 29.26360 14
242 WHEELER -100.26950 35.40110 9
243 WICHITA -98.70460 33.98580 16
244 WILBARGER -99.25980 34.07060 14
245 WILLACY -97.66310 26.47440 11
246 WILLIAMSON -97.61560 30.64700 29
247 WILSON -98.09960 29.17810 16
248 WINKLER -103.03660 31.84740 2
249 WISE -97.65340 33.21610 16
250 WOOD -95.37630 32.79000 20
251 YOAKUM -102.82720 33.17270 5
252 YOUNG -98.68690 33.17650 17
253 ZAPATA -99.15670 27.01910 7
254 ZAVALA -99.75910 28.86550 17

County average = 17% Standard deviation = 6.7%

1 Data cover only KAB crashes on rural, 2-lane, low-volume, on-system roads.