Rail Crossings and Engineering BranchCPUC staff ensure that highway-rail and pathway-rail crossings are safely designed, constructed, and maintained. The Rail Crossings and Engineering Branch (RCEB) engineers investigate and evaluate requests to construct new rail crossings or modify existing crossings. They also investigate train-related incidents that occur at rail crossings, and complaints regarding rail crossings safety or conditions. RCEB engineers are assigned to territories by county and are available to help you find answers to your rail crossing questions. Contact information Contact RCEB engineers regarding diagnostic meetings with roadway authorities and railroads, and to assist in review and authorization of rail crossing designs. Rules and Guidance Rail crossing rules and regulations provide minimum requirements. Design references include reports and engineering documents. Guidance documents discuss the use of YIELD and Emergency Notification signs. Construction or modification Formal Applications Frequently Asked Questions (FAQ) about new rail crossings. GO 88-B requests to modify existing rail crossings. Form G Report of Changes completed at a rail crossing. Additional References CPUC staff maintains rail crossing inventory data. CPUC staff administers railroad crossing funding programs. CPUC staff reviews Quiet Zones. CPUC staff publishes highlights of RCEB activity.