Iowa State Route 27 is the main highway link between Iowa City and Cedar Rapids. Through Johnson County, IA St Rt 27 is on a expressway. IA St Rt 27 passes through the following towns in Johnson County. Iowa City
Coralville IA St Rt 27 is multi-plexed in Johnson County. Interstate 380, from I-80 at Iowa City to the Linn/Johnson County Line.
U.S. Rt. 218, from the Washington/Johnson County Line to the Linn/Johnson County Line.
IA St Rt 27 crosses the following highways in Johnson County. Iowa State Route 1, at Iowa City.
A junction marker on SB IA St Rt 1. A junction marker on SB IA St Rt 1. NB U.S. Rt. 218/IA St Rt 27 north of IA St Rt 1. NB U.S. Rt. 218/IA. 27 near Melrose Ave at Iowa City. NB U.S. Rt. 218/IA St Rt 27 north of Melrose Ave. SB U.S. Rt. 218/IA St Rt 27 at JCH F46. NB U.S. Rt. 218/IA St Rt 27 near I-80/380, near Coralville. SB U.S. Rt. 218/IA St Rt 27 south of I-80/380. A BGS on NB I-380/U.S. Rt. 380/IA St Rt 27. BGS on EB I-80. A BGS on EB I-80. A BGS on WB I-80. Overhead signs on EB I-80, near I-380/U.S. Rt. 218/IA St Rt 27. NB I-380/U.S. Rt. 218/IA St Rt 27 at I-80. NB I-380/U.S. Rt. 218/IA St Rt 27 at I-80. SB U.S. Rt. 218/IA St Rt 27 at I-80/380. (September, 2024) A BGS on SB U.S. Rt. 218/IA St Rt 27. SB I-380/U.S. Rt. 218/IA St Rt 27 at I-80. (September, 2024) NB I-380/U.S. Rt. 218/IA. St Rt 27 just north of I-80. NB I-380/U.S. Rt. 218/IA St Rt 27 north of I-80. SB I-380/U.S Rt. 218/IA St Rt 27 north of I-80. SB I-380/U.S. Rt. 218/IA St Rt 27 at Forevergreen. A junction sign on Johnson County Route F28 near North Liberty. SB I-380/U.S. Rt. 218/IA St Rt 27 near the North Liberty exit. NB I-380/U.S. Rt. 218/IA St Rt 27 north of JCH F28. NB I-380/U.S. Rt. 218/IA St Rt 27 at the Iowa River. SB I-380/U.S. Rt. 218/IA St Rt 27 south of LCH F12. SB I-380/U.S. Rt. 218/IA St Rt 27 at the Linn/Johnson County Line.
