WI I39 Portage Rest Area - Southbound WI Interstate 39 / 90 / 94 Rest Area - Southbound Access at Mile Marker 113 This Rest Area is located near mile marker 113 on Interstate I 39. Accessible from Wisconsin Interstate 39 with Southbound access. (North of Poynette, Columbia County) I-39 Rest Area Off Ramp WI I-39 Southbound Off Ramp Rest Area Weather POYNETTE WEATHER Rest Area Driving Directions Rest Area Facilities 124 car and 68 truck parking stallsMen’s and women’s restroomsFamily/assisted restroomsHandicapped accessibleDiaper changing facilitiesTravel and weather infoTelephones plus TTYDrinking waterVending machinesPicnic tables and sheltersSeasonal prairie walking pathsChildren’s play areaPet exercise areaRecycling areas Rest Area Points of Interest The Poynette rest area and the Portage rest area are the only rest areas in U.S. located on three concurrent Interstate Highways.Truck Parking Information Management System (TPIMS)One of the busiest rest areas in Wisconsin.New Frank Lloyd Wright inspired “Prairie Style” building opened in 2010.“Rest Areas On The I-Roads” Historical Marker located on site. To suggest a correction, please click here.