TRAFFIC/CONSTRUCTION ALERT: Thursday, January 16, construction crews began work on Diamond Bar Blvd, between Mountain Laurel and Clear Creek Canyon, beginning the first phase of a repaving of the street as part of our Area 7 Rehabilitation Project. Partial lane closures will be in effect during daytime non-peak traffic hours. The construction is expected to last through Wednesday, January 22. Please be prepared for delays and take detours if possible. We appreciate your patience during the completion of this project.