By AP
Washington, DC – Federal officials say kentucky has made satisfactory progress in improving safety at railroad crossings used by school buses.
The National Transportation Safety Board says Kentucky is among just 12 states to make such progress in the past four years.
The government has urged states to give high priority to improving safety at rail crossings used by school buses. That plea followed an accident in Tennessee four years ago that killed three children and injured four others.
Officials say crossings that have no gates are the greatest danger.
The government recommends installing stop signs at crossings without gates. That's seen as far cheaper than other railroad crossing safety measures.