As US 67 is labeled as a west-to-east route, its initial business loop in Presidio is suffixed with an A.

There are gaps in the alphabetic values to allow for future system expansion or for decommissioned routes.

The alphabetic naming suffixes are included as small letters on the bottom of route shields.

The 1.8-mile (2.9 km) route begins at US 67 west of town near the Presidio-Ojinaga International Bridge and proceeds along O'Reilly Street to Farm to Market Road 170.

The route then turns north along Erma Street to State Spur 203.

US 67-H is a business loop of US 67 at San Angelo in Tom Green County commissioned in 1996.

The certified mileage of the 5.0-mile (8.0 km) route, one of two business loops within San Angelo, does not include portions concurrent with US 87 and US 277.

From US 67 and State Highway Loop 306 west of town, the route follows Sherwood Way and Beauregard Avenue eastward to US 87 and US 277.

The portion of the business loop over Sherwood Way and Beauregard Avenue was part of the former route of US 67 before the completion of the Houston Harte Expressway in 1984.

[4] The entire route is in San Angelo, Tom Green County.

US 67-J is a business loop of US 67 at San Angelo in Tom Green County commissioned in 1996.

[4] The entire route is in San Angelo, Tom Green County.

US 67-M is a business route of US 67 at Cleburne and Keene in Johnson County commissioned in 1996.

The route then continues along Henderson Street through Cleburne and then enters Keene.

The route then curves northward joining Baugh Street until it terminates at US 67.

US 67-V is a business route of US 67 at Sulphur Springs in Hopkins County commissioned in 1990.

The route begins at Exit 120 of Interstate 30 and US 67 west of town and proceeds northeastward along Main Street.

The 2.3-mile (3.7 km) route began at US 67 south of town and went northwest until it merged with Fifth Street.

The route then followed Eighth Street through and intersection with FM 1387 until it terminated at US 67 north of town.

US 287-Q south to US 67 has been designated as Spur 73 while the portion along Eighth Street has been removed from the state highway system and returned to the city of Midlothian for control and maintenance.

[26] The route begins at Interstate 57 (I-57) in west Beebe and runs east to I-57 where it continues as Highway 31.

The special route passes the Sellers House, Colonel Ralph Andrews House, and the Beebe Railroad Station (each listed on the National Register of Historic Places) before intersecting Highway 31.

[26] The route begins at Interstate 57 (I-57) in south Searcy and runs north to terminate at I-57.

The special route continues north to intersect Highway 36 near the Rascoe House, which is listed on the National Register of Historic Places.

The junction is the eastern terminus of Highway 16, and US 67B turns right to run due east as Race Avenue.

[26] The route begins at US 412B in Walnut Ridge and runs north to terminate at US 67.

After Highway 367 takes over the southern portion of the route, US 67B starts at junction with US 412B.

U.S. Highway 67Y is a 0.43-mile (0.69 km) connector route in Lawrence County, Arkansas.

As a result, the alternate route expanded south to Lindbergh Boulevard.

[38] In 2001, both designations (US 67 and IL 267) were swapped as a result of the construction of Jacksonville's western bypass.