ID-33 East at I-15 North
ID-33 East at I-15 North (Exit 143). Use I-15 North for Butte (Montana). Continue east on ID-33 for Rexburg and West Yellowstone (Montana).
ID-48 - Roberts
ID-48 (N 2880 E) at E 650 N in Roberts. Turn right on E 650 N to continue east on ID-48 towards Menan and Rigby.
Begin ID-48 East at I-15 North
Begin ID-48 East at I-15 North in Roberts. Turn left for I-15 north to Butte (Montana); use ID-48 east for Roberts and Rigby.
I-15 South (Exit 135) at ID-48
I-15 South (Exit 135) at ID-48 in Roberts. Turn left for Roberts and Rigby; left for Berrett Road.
ID-33 East at I-15 North
ID-33 East at I-15 North (Exit 143). Use I-15 North for Butte (Montana). Continue east on ID-33 for Rexburg and West Yellowstone (Montana).
I-15 North - Exit 143
I-15 north at Exit 143 - ID-33/Rexburg/Salmon. This is the southern end of the Sacajawea Historic Byway.