A 25-year-old man was critically injured in a moped crash early Saturday morning. The man crashed his moped into a pole at Oneawa and Ulupaina streets in Kailua at about 1 a.m.  He was transported to a trauma center in critical condition.  Police closed Oneawa street between Punaa and Ulupaina streets while they investigated.  The road was reopened just after 3 a.m.