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

            34

            52

       89

       369

          544

 Two Lanes

     22,100

       6,603

     125

       113

     28,941

 Three Lanes

          392

       2,241

       65

           5

       2,703

 Four Lanes

       2,453

       2,061

       21

           9

       4,544

 More Than Four

          414

          672

         9

           6

       1,101

 Unknown

            84

            73

         8

       255

          420

   Total

     25,477

     11,702

       317

       757

     38,253

Injury Crashes

 One Lane

       4,000

       7,000

  27,000

    1,000

     39,000

 Two Lanes

   584,000

   179,000

  15,000

  16,000

   794,000

 Three Lanes

     69,000

   148,000

  11,000

    4,000

   232,000

 Four Lanes

   123,000

     93,000

    5,000

    3,000

   224,000

 More Than Four

   163,000

     46,000

    2,000

    4,000

   215,000

 Unknown

   116,000

     27,000

    5,000

210,000

   358,000

   Total

1,060,000

   499,000

  66,000

237,000

1,862,000

Property-Damage-Only Crashes

 One Lane

     20,000

     19,000

  89,000

    1,000

   129,000

 Two Lanes

1,270,000

   388,000

  46,000

  54,000

1,758,000

 Three Lanes

   147,000

   282,000

  33,000

  13,000

   475,000

 Four Lanes

   251,000

   155,000

  13,000

    9,000

   428,000

 More Than Four

   339,000

     87,000

    5,000

  17,000

   448,000

 Unknown

   261,000

     90,000

  23,000

668,000

1,042,000

   Total

2,289,000

1,022,000

210,000

761,000

4,281,000

All Crashes

 One Lane

     24,000

     26,000

117,000

    2,000

   169,000

 Two Lanes

1,876,000

   574,000

  62,000

  70,000

2,582,000

 Three Lanes

   217,000

   432,000

  44,000

  17,000

   710,000

 Four Lanes

   376,000

   250,000

  18,000

  12,000

   657,000

 More Than Four

   503,000

   133,000

    7,000

  20,000

   663,000

 Unknown

   377,000

   118,000

  28,000

878,000

1,400,000

   Total

3,374,000

1,533,000

276,000

999,000

6,181,000