U.S. Route 16 Alternate, SD-244 to SD-40


Location: US-16A and SD-244, Pennington Cty

Reassurance shield after SD-244 as we head down to Keystone

Location: US-16A and Roy St, Keystone

About a mile later, we’ll enter the hilariously overbuilt town of Keystone

Location: US-16A and Reed St, Keystone

We’ll quickly approach the main drag into Keystone, Highway 40. Turn right for SD-40 east into Keystone. Stay straight for 16A east.

E to US-16,  W to SD-36

E to SD-79

W to US-16/US-385