MD 237 begins west of Lexington Park at an intersection with MD 246 (Great Mills Road), which heads east to NAS Patuxent River, north of Great Mills High School.

The state highway heads north as a four-lane road with a center left-turn lane between residential subdivisions.

The state highway crosses Jarboesville Run in a forested area before continuing between residential subdivisions.

MD 237 passes east of Chancellors Run Regional Park and crosses the Three Notch Trail before reaching its northern terminus at MD 235 (Three Notch Road) in California.

[4] By 2003, heavy traffic along MD 237 related to greater activity at NAS Patuxent River led to the highway being marked for expansion.