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Table 19. Combination Truck Property Damage Only (PDO) Crash Statistics,
1989-2009
|
Year
|
PDO
Crashes
|
Vehicles
Involved
|
Million
Vehicle Miles Traveled
|
PDO Crashes
per 100 Million Vehicle Miles Traveled
|
Vehicles Involved in PDO Crashes
per 100 Million Vehicle Miles Traveled
|
Combination Trucks
Registered
|
|
180,000
|
185,000
|
91,879
|
195.9
|
201.7
|
1,707,182
|
|
161,000
|
166,000
|
94,341
|
170.9
|
175.6
|
1,708,895
|
|
146,000
|
152,000
|
96,645
|
150.8
|
157.0
|
1,691,331
|
|
129,000
|
134,000
|
99,510
|
129.5
|
134.3
|
1,675,363
|
|
180,000
|
186,000
|
103,116
|
174.6
|
180.5
|
1,680,305
|
|
217,000
|
223,000
|
108,932
|
199.4
|
204.8
|
1,681,500
|
|
174,000
|
179,000
|
115,451
|
150.9
|
155.2
|
1,695,751
|
|
168,000
|
173,000
|
118,899
|
141.0
|
145.8
|
1,746,586
|
|
188,000
|
197,000
|
124,584
|
151.0
|
157.9
|
1,789,968
|
|
170,000
|
178,000
|
128,359
|
132.3
|
138.9
|
1,997,345
|
|
176,000
|
184,000
|
132,384
|
132.8
|
138.9
|
2,028,562
|
|
171,000
|
179,000
|
135,020
|
126.8
|
132.2
|
2,096,619
|
|
159,000
|
166,000
|
136,534
|
116.1
|
121.6
|
2,154,174
|
|
153,000
|
159,000
|
138,737
|
110.1
|
114.9
|
2,276,661
|
|
163,000
|
172,000
|
140,128
|
116.3
|
122.6
|
1,908,365
|
|
161,000
|
168,000
|
142,370
|
113.2
|
118.0
|
2,010,335
|
|
169,000
|
177,000
|
144,028
|
117.6
|
123.1
|
2,086,759
|
|
143,000
|
150,000
|
142,169
|
100.4
|
105.7
|
2,169,670
|
|
155,000
|
163,000
|
184,199
|
84.3
|
88.6
|
2,635,347
|
|
142,000
|
149,000
|
183,826
|
77.1
|
81.0
|
2,585,229
|
|
115,000
|
119,000
|
167,842
|
68.4
|
71.2
|
2,617,118
|
Notes: A combination truck is defined as a truck tractor pulling any number
of trailers (including none) or a straight truck pulling at least one trailer.
The Federal Highway Administration (FHWA) implemented an enhanced methodology
for estimating registered vehicles and vehicle miles traveled by vehicle type
for the years 2007-2009. As a result, involvement rates may differ, and in some
cases significantly, from previously published rates.
Sources: Vehicle Miles of Travel and Registered Vehicles: Federal Highway
Administration. PDO Crashes and Vehicles Involved: National Highway Traffic
Safety Administration, General Estimates System (GES).
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