Container traffic through California's twin ports of Los Angeles and Long Beach climbed 24 percent last month, compared to the year-ago period - the highest level for LA since August 2006 and for Long Beach since November 2007.

The latest monthly statistics from the important West Coast ports, which account for about 40 percent of US inbound container traffic, provide some fresh evidence that the slow economic recovery has continued in advance of the key fall shipping season, reported Dow Jones Newswires.