Maryland State Route 168 is an east-west highway in Northern Anne Arundel County. It runs from Maryland State Route 648, near Pumphrey, to Hammonds Ferry Road, near Linthicum. MD St Rt 168 passes through the following towns in Anne Arundel County. Pumphrey Linthicum MD St Rt 168 is not multi-plexed in Anne Arundel County. MD St Rt 168 crosses the following highways in Anne Arundel County. Maryland State Route 648, near Pumphrey. Maryland State Route 295, near Linthicum. (NO Interchange) Interstate 695, near Lithicum.