Maryland Code, Transportation § 8-407

(a)(1) If a county's or municipality's road construction, reconstruction, or maintenance is performed by the Administration, the county's or municipality's share of highway user revenues shall be credited to the account of the Administration to be spent on warrants of the State Comptroller.

(2) If a county has paid any debt service on bonds or other evidences of obligation issued by a municipality in the county for the construction, reconstruction, or maintenance of roads or streets, an amount sufficient to reimburse the county for these payments shall be paid to the county from the municipality's share of highway user revenues.

(3) In all other cases, a county's or municipality's share of highway user revenues shall be paid to or on the order of:

(1) At monthly intervals; or

(2) At other appropriate times reasonably requested.