In 1936 , US 2 was realigned to run into downtown St. Ignace from the west and replaced US 31 through town .
The first state highway through St. Ignace was an extension of US 31 that was added by the end of 1927 .
In 1936 , US 2 was realigned to run into St. Ignace St. Ignace from the west and replaced US 31 through town .
The first state highway through St. Ignace was an extension of US 31 that was added by the end of 1927 .