End BL-25/Bus. US-20/Bus. US-26/Bus. US-87 at I-25/US-20/US-26/US-87
End BL-25/Bus. US-20/Bus. US-26/Bus. US-87 at I-25/US-20/US-26/US-87 in Douglas (Exit 135). Merge right for I-25/US-87 North US-20/US-26 West to Casper; left for I-25/US-87 South US-20/US-26 East to Cheyenne.