Location: MX 200 and MX 200 Libr., Arriaga
Just after 190D merges on, exit right to follow the 200 Libramiento around the south side of Arriaga towards Oaxaca and CDMX. Stay straight to stay on 200 east towards Tapachula.
W to MX-190, E to MX-200 Libr.
W to MX-190D, E to MX-200 Libr.
W to MX-190, E to MX-190D/MX-200 Libr.