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Historical Timelines for Maine's OUI Laws
OUI Laws
| Effective Date |
Laws |
| September 9, 1995 |
BAC Limit Set at .00% for Drivers Under Age 21 |
| October 13, 1993 |
Minors Prohibited from Liquor Possession in a Motor Vehicle |
| July 14, 1990 |
Operating Under the Influence of Drugs |
| July 14, 1990 |
Vehicular Manslaughter Penalty Increased |
| August 4, 1988 |
BAC Limit Reduced from .10% to .08% |
| September 28, 1987 |
Drivers Prohibited from Drinking While Driving |
| September 19, 1985 |
Alcohol Awareness Week Established |
| January 1, 1984 |
Administrative Per Se Suspension |
| September 23, 1983 |
Suspension Period Lengthened |
| June 23, 1983 |
BAC Limit Set at .02% for Drivers Under Age 21 |
| September 18, 1981 |
OUI Per Se |
| July 1, 1974 |
Driver Education Evaluation Program (DEEP) |
| September 23, 1971 |
BAC Limit Reduced from .15% to 10% |
| October 1, 1969 |
BAC Limits Set
- Impaired .10% to .15%
- Intoxicated + .15% |
BAC Limits
| Effective Date |
Laws |
| September 1995 |
Under Age 21 Set at .00% |
| August 1988 |
Reduced from .10% to .08% |
| June 1983 |
Under Age 21 set at .02% |
| September 1971 |
Reduced from .15% to .10% |
| October 1969 |
Intoxication set at +.15% |
| October 1969 |
Impairment set at .10% to .15% |
Legal Drinking Age
| Effective Date |
Laws |
| July 1985 |
Raised from 20 to 21 |
| October 1977 |
Raised from 18 to 20 |
| June 1972 |
Reduced from 20 to 18 |
| October 1969 |
Reduced from 21 to 20 |
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