Highway Designation File

Transportation Planning and Programming Division
Current Description-Effective Date-Authority


Certified Mileage (Open to Traffic)
23.981 2010

FARM TO MARKET ROAD NO. 1485

Minute Order 027336, dated 07/22/1949

From SH 105, 3.5 miles east of Conroe, southeastward to a road intersection, a distance of approximately 9.3 miles. (Montgomery County)  New Designation



Minute Order 030699, dated 08/22/1951

From SH 105, 1.5 miles east of Conroe southeastward to US 59 at New Caney, a distance of approximately 17.5 miles. (Montgomery County) Extended approximately 8.4 miles to US 59.



Adm. Ord., dated 09/27/1951

From SH 105, 3.5 miles east of Conroe southeastward via New Caney to the Harris County Line, a distance of approximately 22.9 miles. (Montgomery County)  FM 1773 canceled and combined, adding approximately 5.4 miles.



Minute Order 056134, dated 06/01/1965, Adm. Cir. 06l-1965, dated 07/01/1965

From SH 105, 3.5 miles east of Conroe, southeastward via New Caney a distance of approximately 24.0 miles. (Montgomery and Harris Counties) Extended southeastward approximately 1.2 miles.



Minute Order 064246, dated 10/02/1970, Adm. Cir. 129-1970, dated 10/15/1970

From SH 105, 3.5 miles east of Conroe, southeastward to SL 494 at New Caney, and from another point on SL 494 at New Caney, eastward, a total distance of approximately 24.1 miles. (Montgomery and Harris Counties)   Redescribed to show break in route at SL 494.