The document shows statistics on incoming calls/tickets and outgoing locates/ticket transmissions received by the Oklahoma One-Call System from 2011-2016. There was an overall increase in incoming tickets from 2011-2013 followed by a decline in 2014-2016, while outgoing locates increased each year from 2011-2014 before declining in 2015-2016. Incoming tickets increased in most counties in southeast Oklahoma from August 2015 to August 2016 compared to other regions.