State Highway 121 is a state highway angling from southwest to northeast through north central Texas. It runs from Cleburne, Texas at US 67 to SH 78 in Bonham, Texas, just north of a junction with US
SH 121 Business west from I-35E towards Grapevine
Interchange between SH 121 and SH 121 Business Route
Farm to Market Road 1171 is a farm to market road in Denton County, Texas.
Texas State Highway 121
…Lewisville 1.0 1.6 FM 3040 (Round Grove Road) / Denton Tap Road Interchange 3.3 5.3 I-35E (Stemmons Freeway) I-35E exit 450 4.5 7.2 Main Street Former FM 1171 5.7 9.2 Bridge over the Elm Fork Trinity River 7.7 12.4 FM 544 east – Carrollton 8.4 13.5 SH 121 / Sam Rayburn Tollway north Interchange 1.000 mi…