|Maintained by TxDOT|
|Length:||1.551 mi (2.496 km)|
|Existed:||1945 – present|
|South end:||US 380 in Cross Roads|
|North end:||US 377 in Cross Roads|
Route description 
FM 424 serves as a short connector route that beings at US 380 in Cross Roads; the right-of-way also continues southward from this point as Naylor Rd., which travels into Oak Point. The route runs northward for approximately 1.5 miles (2.4 km) before ending at US 377 south of Krugerville.
FM 424 was first designated in 1945, connecting Aubrey to the former community of New Hope at what was then SH 24 (now US 380). The portion in Aubrey was removed in 1962, with a portion of it becoming the former SH 99 (now US 377).
Major intersections 
|0.00||0.00||US 380 – Denton||Southern terminus; continues as Naylor Rd.|
|1.55||2.49||US 377 – Krugerville, Aubrey||Northern terminus|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Transportation Planning and Programming Division. "Highway Designation File: Farm to Market Road No. 424". Texas Department of Transportation. Retrieved 2011-03-30.
- Texas Department of Transportation (2010) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2010 ed.). p. 480. http://www.dot.state.tx.us/travel/countymapbook2006/Pages/480.pdf.
- Google Inc. Google Maps – Overview map of Farm to Market Road 424 Distances Between Interchanges (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Farm+to+Market+Rd+424&daddr=Farm+to+Market+Rd+424+to:Farm+to+Market+Rd+424&hl=en&geocode=FdL9-gEd7g84-g%3BFeAd-wEdehI4-g%3BFYtU-wEdQRQ4-g&mra=dme&mrsp=1&sz=16&sll=33.231473,-96.980052&sspn=0.015328,0.033023&ie=UTF8&z=14. Retrieved 2011-03-30.
- Maxwell, Lisa C. "New Hope, TX (Denton County)". Handbook of Texas Online. Texas State Historical Association. Retrieved 2011-03-30.
- Yahoo! Inc. Yahoo! Maps – Overview map of Farm to Market Road 424 (Map). Cartography by Navteq. http://maps.yahoo.com/#lat=33.24313828929352&lon=-96.98610305786133&zoom=14&mvt=m&trf=0&q1=33.22616854546919%2C-96.98927879333496%2C+Cross+Roads%2C+TX+76227&q2=4801+FM-424%2C+Cross+Roads%2C+TX+76227&q3=8399+FM-424%2C+Cross+Roads%2C+TX+76227. Retrieved 2012-09-22.
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