From Westchester County Police Headquarters

• From County Police parking lot, turn right (do not go up the ramp) and go under the underpass.
• Make the next right.
• Follow Rt. 141 to the next traffic light.
• Make a left and then a right onto the ramp for the Sprain Brook Parkway.
• Stay to your right and take the immediate next exit, Bronx River Parkway/White Plains.
• Proceed to exit 21.
• At traffic light turn left onto Tarrytown Rd/Rt 119 east.
• Follow Tarrytown Rd/Rt. 119 east, it will turn into Main St.
• Turn right onto S. Lexington Ave.
• At second traffic light turn left onto Quarropas St.
• At second traffic light turn right onto Grand St.
• At next traffic light make left onto East Post Road. 
• 112 E. Post Road will be on your left.

From points north

• Taconic Parkway south to Bronx River Parkway/White Plains exit.
• Proceed to exit 21.
• At traffic light turn left onto Tarrytown Rd/Rt. 119 east.
• Follow Tarrytown Rd/Rt. 119 east, it will turn into Main St.
• Turn right onto S. Lexington Ave.
• At second traffic light turn left onto Quarropas St.
• At second traffic light turn right onto Grand St.
• At next traffic light make left onto East Post Road. 
• 112 E. Post Road will be on your left.

From points south

• Bronx River Parkway northbound to exit 21, White Plains/Main St.
• At traffic light turn right onto Main St.
• At second traffic light turn right onto S. Lexington Ave.
• At second traffic light turn left onto Quarropas St.
• At second traffic light turn right onto Grand St.
• At next traffic light make left onto East Post Road. 
• 112 E. Post Road will be on your left.

From points east 

• Interstate 287 westbound to exit 5.
• At traffic light turn left onto Hillside Ave.
• Turn left onto Tarrytown Rd/Rt. 119 east.
• Follow Tarrytown Rd/Rt. 119 east, it will turn into Main St.
• Turn right onto S. Lexington Ave.
• At second traffic light turn left onto Quarropas St.
• At second traffic light turn right onto Grand St .
• At next traffic light make left onto East Post Road. 
• 112 E. Post Road will be on your left.

From points west

• Tappan Zee Bridge to Interstate 287 eastbound to exit 5.
• At traffic light merge onto Tarrytown Rd/Rt. 119 east.
• Follow Tarrytown Rd/Rt. 119 east, it will turn into Main St.
• Turn right onto S. Lexington Ave.
• At second traffic light turn left onto Quarropas St.
• At second traffic light turn right onto Grand St .
• At next traffic light make left onto East Post Road. 
• 112 E. Post Road will be on your left.