D.C. Mun. Regs. tit. 4, r. 4-206
If, as a result of the unlawful discriminatory acts or practices of the respondent, the prevailing complainant was required to incur travel expenses between his or her residence and his or her place of employment during the period of violation in excess of travel expenses that would have been incurred absent the unlawful discrimination, he or she shall be entitled to reimbursement of the excess expenses.
If the daily additional travel required was ten (10) miles or more, or if the total additional travel required was one hundred (100) miles or more, the complainant shall be entitled to compensation for the use of his or her automobile at the Government of the District of Columbia prevailing rate for reimbursement or mileage.
Double recovery of such expenses shall not be allowed.
If the prevailing complainant has already been reimbursed for excess travel expenses from another source, he or she shall not be entitled to such compensation.
D.C. Mun. Regs. tit. 4, r. 4-206