AMP: 0 Location: Churchill Rd and I-90, Gallatin Cty Reassurance shield as S-346 begins. 346 is a link from I-90 to Manhattan and then continues up to S-290 AMP: 0 Location: Broadway St and Wooden Shoe Ln, Manhattan About a tenth of a mile later, we’ll enter Manhattan AMP: 0 Location: Broadway St and Gallatin Ave, Manhattan … Continue reading Montana Secondary Highway 346, I-90/S-288 to S-205