Table 1 Frequency distribution of driving errors involved in 5856 fatal 2-vehicle crashes by marijuana positivity status, Fatality Analysis Reporting System, 2011–2016
From: Direct and indirect effects of marijuana use on the risk of fatal 2-vehicle crash initiation
Type of driving error | Positive for marijuana No. (%) | Negative for marijuana No. (%) | Total No. (%) |
|---|---|---|---|
Failure to keep in proper lane | 322 (22.6) | 1577 (25.3) | 1899 (24.8) |
Failure to yield right of way | 148 (10.4) | 1299 (20.8) | 1447 (18.9) |
Driving too fast for conditions or in excess of posted maximum | 320 (22.4) | 1037 (16.6) | 1357 (17.7) |
Failure to obey actual traffic signs, traffic control devices, or traffic officers | 150 (10.5) | 684 (11.0) | 834 (10.9) |
Operating the vehicle in an erratic, reckless, careless, or negligent manner or at erratic or suddenly changing speeds | 110 (7.7) | 339 (5.4) | 449 (5.9) |
Driving on wrong side of the road | 107 (7.5) | 541 (8.7) | 648 (8.4) |
Manslaughter or homicide or other assault | 93 (6.5) | 313 (5.0) | 406 (5.3) |
Making an improper turn | 24 (1.7) | 132 (2.1) | 156 (2.0) |
Passing with insufficient distance or inadequate visibility or failing to yield to overtaking vehicle | 31 (2.2) | 94 (1.5) | 125 (1.6) |
Passing where prohibited | 60 (4.2) | 16 (0.3) | 76 (1.0) |
Any other | 62 (4.3) | 211 (3.4) | 273 (3.6) |
Totala | 1427 (100.0) | 6243 (100.0) | 7670 (100.0) |