|Effective:||December 15, 2013 to December 13, 2014|
|Average trips per date:||2472|
|Most trips on a date:||4957, on 1 service date (Fri Apr 18)|
|Least trips on a date:||512, on 1 service date (Sat Feb 22)|
trips.txt. This might be a misspelled column name (capitalization matters!). Or it could be extra information (such as a proposed feed extension) that the validator doesn't know about yet. Extra information is fine; this warning is here to catch misspelled optional column names.