There always seems to be a rainbow at CSXT's Barr Yard. Today it's a Relco SW-9 (ex-SCL 139/ACL 657) in transit (for repair or re-assignment?) between a pair of CN locomotives and a CSXT geep.
Crazy pool power consists, colorful gatherings of locomotives at a diesel service area, or a mixture of colorful locomotives in storage lines. A minimum of four different paint schemes required.