name of dataset: driving
no of variables: 56
no of observations: 1200

+--------------+------------------------------------------------+
| variable     | label                                          |
+--------------+------------------------------------------------+
| year         | 1980 through 2004                              |
| state        | 48 continental states, alphabetical            |
| sl55         | speed limit == 55                              |
| sl65         | speed limit == 65                              |
| sl70         | speed limit == 70                              |
| sl75         | speed limit == 75                              |
| slnone       | no speed limit                                 |
| seatbelt     | =0 if none, =1 if primary, =2 if secondary     |
| minage       | minimum drinking age                           |
| zerotol      | zero tolerance law                             |
| gdl          | graduated drivers license law                  |
| bac10        | blood alcohol limit .10                        |
| bac08        | blood alcohol limit .08                        |
| perse        | administrative license revocation (per se law) |
| totfat       | total traffic fatalities                       |
| nghtfat      | total nighttime fatalities                     |
| wkndfat      | total weekend fatalities                       |
| totfatpvm    | total fatalities per 100 million miles         |
| nghtfatpvm   | nighttime fatalities per 100 million miles     |
| wkndfatpvm   | weekend fatalities per 100 million miles       |
| statepop     | state population                               |
| totfatrte    | total fatalities per 100,000 population        |
| nghtfatrte   | nighttime fatalities per 100,000 population    |
| wkndfatrte   | weekend accidents per 100,000 population       |
| vehicmiles   | vehicle miles traveled, billions               |
| unem         | unemployment rate, percent                     |
| perc14_24    | percent population aged 14 through 24          |
| sl70plus     | sl70 + sl75 + slnone                           |
| sbprim       | =1 if primary seatbelt law                     |
| sbsecon      | =1 if secondary seatbelt law                   |
| d80          | =1 if year == 1980                             |
| d81          |                                                |
| d82          |                                                |
| d83          |                                                |
| d84          |                                                |
| d85          |                                                |
| d86          |                                                |
| d87          |                                                |
| d88          |                                                |
| d89          |                                                |
| d90          |                                                |
| d91          |                                                |
| d92          |                                                |
| d93          |                                                |
| d94          |                                                |
| d95          |                                                |
| d96          |                                                |
| d97          |                                                |
| d98          |                                                |
| d99          |                                                |
| d00          |                                                |
| d01          |                                                |
| d02          |                                                |
| d03          |                                                |
| d04          | =1 if year == 2004                             |
| vehicmilespc |                                                |
+--------------+------------------------------------------------+

Freeman, D.G. (2007), “Drunk Driving Legislation and Traffic
Fatalities: New Evidence on BAC 08 Laws,” Contemporary Economic Policy
25, 293--308. Professor Freeman kindly provided the data.