Completing Form T2125. Line 9200 – Travel expenses.A list of deductible business expenses as well as their explanation for use on Form T2125. Those who are selfemployed can deduct travel expenses on Schedule C (Form 1040), Profit or Loss From Business (Sole Proprietorship). Long Island's Air and Space Museum. It will help you calculate the expenses you can deduct. Buy cheap train tickets and check train times with South Western Railway.