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From George Bush Intercontinental Airport (IAH): 17.5 miles

• Exit airport terminal and follow signs for Airport Hotel/I-45/US-59/Airport exit/Hardy Toll Rd
• Road becomes JFK Blvd/ John F Kennedy Blvd
• Follow signs on JFK Blvd for Beltway 8 W/I-45
• Turn right at Beltway 8 W/Sam Houston Pkwy W
• Merge onto Beltway 8 W/Sam Houston Pkwy W via the ramp on the left
• Beltway 8 will cross over I-45 and become Sam Houston Toll Road - Toll Road
• Exit the Sam Houston Toll Rd at the Windfern Rd/Fallbrook Rd/Gessner Rd exit
• Turn left on Gessner Rd
• At the stop sign, turn right onto Fallbrook Dr
• At the next stop sign, turn left onto Windfern Rd
• Follow Windfern about 0.2 miles to Derrington Rd
• Turn left onto Derrington Rd- office is at the end of the paved road

From William P. Hobby Airport: 31.0 miles

• Leaving the airport, turn right at E. Rent Car Rd. (signs for Rental Car Return/Airport exit)
• Slight left at Fuel Farm Rd
• Turn left at Airport Blvd
• Turn right at Telephone Rd
• Continue on Reveille St
• Take the ramp onto I-45 N
• Take exit 48B on the left to merge onto I-10 W toward San Antonio
• Take exit 763 to merge onto I-610 N
• Follow 290 W- freeway exits to the left at US-290 W (signs for US 290 W/Austin)
• Follow US-290 W to W Sam Houston Toll Road N- exit onto W Sam Houston Toll Rd N - Toll Road
• Take the exit at Windfern Rd/Fallbrook Dr.
• Turn right at first stop light-Fallbrook Dr.
• Go to the stop sign and turn right onto Windfern Rd.
• Follow Windfern about 0.2 miles to Derrington Rd.
• Turn left onto Derrington Rd- office is at the end of the paved road

From Dallas:

• Head south on I-45
• Take exit 60B to merge onto Sam Houston Tollway W - Toll Road
• Exit the Sam Houston Toll Rd at the Windfern Rd/Fallbrook Rd/Gessner Rd exit
• Turn left on Gessner Rd.
• At the stop sign, turn right onto Fallbrook Dr.
• At the next stop sign, turn left onto Windfern Rd.
• Follow Windfern about 0.2 miles to Derrington Rd.
• Turn left onto Derrington Rd- office is at the end of the paved road

From Beaumont:

• Take I-10 W toward Houston
• Go thru Downtown Houston and take exit 775A to merge onto I-610 N
• Take exit 13B on left to merge onto US-290 W toward Austin
• Follow US-290 W to W Sam Houston Toll Road N- exit onto W Sam Houston Toll Rd N - Toll Road
• Take the exit at Windfern Rd/Fallbrook Dr.
• Turn right at first stop light-Fallbrook Dr
• Go to the stop sign and turn right onto Windfern Rd
• Follow Windfern about 0.2 miles to Derrington Rd
• Turn left onto Derrington Rd- office is at the end of the paved road

From Austin / Brenham:

• Head east on 290 toward Houston
• Follow 290 E to W. Sam Houston Tollway N
• Exit onto W. Sam Houston Tollway North - Toll Road
• Take the exit at Windfern Rd/Fallbrook Dr.
• Turn right at first stop light-Fallbrook Dr
• Go to the stop sign and turn right onto Windfern Rd
• Follow Windfern about 0.2 miles to Derrington Rd
• Turn left onto Derrington Rd- office is at the end of the paved road