Table 31. Crashes by Number of Lanes, Trafficway Flow, and Crash Severity

Number of Lanes

Trafficway Flow

Total

Not Divided

Divided

One-Way

Unknown

Fatal Crashes

 One Lane

            23

            64

         73

          217

          377

 Two Lanes

     22,120

       6,307

       132

          103

     28,662

 Three Lanes

          430

       2,004

         80

            27

       2,541

 Four Lanes

       2,467

       2,214

         17

            34

       4,732

 More Than Four

          404

          709

           8

              7

       1,128

 Unknown

          179

            95

         12

          526

          812

   Total

     25,623

     11,393

       322

          914

     38,252

Injury Crashes

 One Lane

       6,000

     10,000

  31,000

       1,000

     47,000

 Two Lanes

   545,000

   176,000

  20,000

     17,000

   759,000

 Three Lanes

     62,000

   157,000

  14,000

       4,000

   236,000

 Four Lanes

   117,000

     95,000

    6,000

       4,000

   222,000

 More Than Four

   167,000

     41,000

    2,000

       3,000

   213,000

 Unknown

   141,000

     40,000

  11,000

   255,000

   447,000

   Total

1,039,000

   518,000

  84,000

   284,000

1,925,000

Property-Damage-Only Crashes

 One Lane

     22,000

     18,000

  87,000

       2,000

   129,000

 Two Lanes

1,203,000

   361,000

  46,000

     58,000

1,668,000

 Three Lanes

   141,000

   261,000

  36,000

     12,000

   451,000

 Four Lanes

   248,000

   141,000

  17,000

     10,000

   417,000

 More Than Four

   329,000

     68,000

    6,000

       9,000

   413,000

 Unknown

   343,000

   113,000

  29,000

   801,000

1,287,000

   Total

2,286,000

   963,000

222,000

   893,000

4,365,000

All Crashes

 One Lane

     28,000

     27,000

118,000

       3,000

   176,000

 Two Lanes

1,770,000

   544,000

  66,000

     76,000

2,456,000

 Three Lanes

   203,000

   420,000

  51,000

     16,000

   690,000

 Four Lanes

   368,000

   238,000

  23,000

     14,000

   644,000

 More Than Four

   496,000

   110,000

    8,000

     13,000

   627,000

 Unknown

   485,000

   154,000

  40,000

1,056,000

1,735,000

   Total

3,350,000

1,493,000

306,000

1,178,000

6,328,000