 MDOT added the completed M @-@ 6 to the state maps in an updated printing in June 2005 . At the time , the various online mapping services still did not show a complete freeway in eastern Ottawa or southern Kent counties . Services such as <unk> and Yahoo ! Maps rely on <unk> Atlas out of New Hampshire for their mapping information , which , in turn , relies on agencies like MDOT to update their data . MDOT 's map update came out nearly eight months after the initial opening due to its inclusion in a large @-@ scale update to the state highway map . 
