Visitation for Waterloo Police Sergeant Robert J. Greenlee III will be held on Thursday April 19^th from 4 PM to 7 PM at Prairie Lakes Church, 1907 Viking Road in Cedar Falls.    Funeral services will be on Friday, April 20^th beginning at 10:30 AM at Prairie Lakes Church, with burial immediately following the funeral service at the Waterloo Cemetery, 1830 Kimball Ave, Waterloo.   There will be a large procession from Prairie Lakes to the Waterloo Cemetery traveling on Hudson Rd, Highway 20, Ansborough Ave, San Marnan and Kimball Avenue.   We are expecting the visitation, funeral and grave side services to cause heavy traffic and increased delays for people traveling in the area between the hours of 11 AM and 2 PM.   Drivers are asked to try to utilize alternate routes when possible.    Media and others wishing to pay their respects can do so along the above listed route after 11 AM.    The family has asked for no media coverage inside the church or cemetery grounds.