Median barrier finishing machine

A method, comprising:

• providing a median barrier finishing machine configured to attach to a vehicle, the median barrier finishing machine comprising:
• a housing configured to encapsulate at least a portion of a median barrier, wherein the housing comprises a first vertical wall, a second vertical wall, and a horizontal wall, wherein the horizontal wall couples the first vertical wall to the second vertical wall;
• at least one adjustable member configured to couple the housing to the vehicle and retain the housing a predetermined distance and a predetermined angle relative to the vehicle while the vehicle is in motion, wherein the at least one adjustable member is further configured to move at least one of:
• laterally, horizontally, and vertically with respect to a plane perpendicular to a profile of the median barrier;
• and
• at least one finishing device disposed within the housing, the at least one finishing device configured to contact a surface of the median barrier at least partially positioned within the housing and treat the surface of the median barrier as the vehicle moves the housing along a length of the median barrier, wherein the at least one finishing device comprises a roller, a sprayer, a heater, a blade, a sander, a concrete floater, a brush, a screed plate, a broom, or a combination thereof.