G&Z's patented CDBI structure is a single, self-supporting module designed to speed assembly, disassembly and width changes. The optional CDBI self-loading kit eliminates the need for a crane to add / remove the CDBI from the paver or load / unload a trailer. The CDBI mounts on the rear of a standard G&Z Four-Track Slipform Paver with only minimal modification and in many cases does not require long bolster extensions even on high production paving operations. This patented feature allows conversion back and forth between DBI and non-DBI paving in a matter of hours. The patented CDBI Dowel Distributing / Chain Feeder System reduces the feeding system profile and improves the feeding system's speed and reliability as compared to the old dowel distributing cart system.