If the ATSF-SP merger was approved and later merged with BN.

If the ATSF-SP merger was approved back in the 80s and later merged with BN, it wouldn’t have taken much to create a paint job for the new road. All they would have to do is simply swap SPSF’s Kodachrome red with BN green and change SPSF to BNSFP, Burlington Northern Santa Fe Pacific. The Kodachrome already had black paint on top of the hood.