Wyoming Highway 321
|Interstate 25 Business|
|Maintained by WYDOT|
|Length||3.34 mi (5.38 km)|
|South end||I-25 / US 87 / WYO 211 in Chugwater|
|WYO 313 in Chugwater|
|North end||I-25 / US 87 north of Chugwater|
Wyoming Highway 321 is a north–south Wyoming State Road that is partially known as TY Basin Road and 1st Street and was once part of the Old Yellowstone Highway. WYO 321 travels from the junction with I-25/US 87/WYO 211, meets Wyoming Highway 313, and heads north to I-25/US 87 at exit 57 just north of Chugwater (Ty Basin Interchange). Wyoming Highway 321 was originally U.S. Highway 87, and its interchanges with I-25 are signed as I-25 Business.
WYO 321 begins at a diamond interchange with concurrent highways I-25 and US 87 on the south side of Chugwater. The highway passes the Chugwater rest area and turns north at TY Basin Road, After passing its junction with WYO 313, it heads out of town, paralleling I-25 until its northern terminus at exit 57.
|Chugwater||0.000||0.000||I-25 / US 87 / WYO 211 – Cheyenne, Wheatland||Southern terminus of WYO 321; northern terminus of WYO 211; exit 54 on I-25; highway continues as WYO 211|
|0.59||0.95||WYO 313 (Lone Tree Road)||Western terminus of WYO 313|
|||3.34||5.38||I-25 / US 87||Northern terminus of WYO 321; exit 57 on I-25; road continues as TY Basin Road|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Official 2003 State Highway Map of Wyoming