e>StateControl</code> </td><td style="text-align: left;"> <code>0</code>=1987-1994 or <code>1</code>=1995-2007</td>
</tr>
<tr>
 <td style="text-align: right;">
  </td>
</tr>

</table>



<h3>Details</h3>

<p>In 1987 the federal government allowed the speed
limit on interstate highways to be 65 mph in most areas. In 1995 federal restrictions were eliminated,
so that states assumed control of setting speed limits on interstate highways.  This data set compares
fatality rates for years before and after the sta