WILBUR — Motorists upset by trains blocking four rail crossings between Winchester and Sutherlin for up to an hour and a half were assured Monday by a railroad official that steps have been taken to alleviate the problem. Fifty people turned out at the Wilbur United Methodist Church, fewer than 100 yards east of one of the crossings at North Bank Road, to hear from Patrick Kerr, vice president for governmental affairs for the Genessee & Wyoming railroad. The meeting, the second in three weeks, was organized by Wilbur Rail Rage. The group formed after residents grew increasingly upset with …