http://news.stlpublicradio.org en Variable speed limits changing to "advisory" on I-270, I-255 http://news.stlpublicradio.org/post/variable-speed-limits-changing-advisory-i-270-i-255 <p>Transportation officials are making changes to Interstate 270 and Interstate 255&rsquo;s controversial variable speed limits.</p><p><a href="http://www.modot.mo.gov/">MoDOT</a> says a new study finds that they have helped traffic flow slightly since they were instituted in 2008, and accidents are down on the busy highway. So MoDOT engineer Tom Blair says they&rsquo;ll make the variable speed limits simply &quot;advisory&quot; by this summer.</p> Wed, 09 Mar 2011 23:13:17 +0000 Bill Raack 693 at http://news.stlpublicradio.org Variable speed limits changing to "advisory" on I-270, I-255