diff --git a/sky130/openlane/config.tcl b/sky130/openlane/config.tcl
index 422f09b..2500198 100755
--- a/sky130/openlane/config.tcl
+++ b/sky130/openlane/config.tcl
@@ -170,3 +170,13 @@
 set ::env(WIRE_RC_LAYER) "met1"
 set ::env(DATA_WIRE_RC_LAYER) "met2"
 set ::env(CLOCK_WIRE_RC_LAYER) "met5"
+
+# I/O Layer info
+set ::env(FP_IO_HLAYER) "met3"
+set ::env(FP_IO_VLAYER) "met2"
+
+# Routing Layer Info
+set ::env(GLB_RT_LAYER_ADJUSTMENTS) "0.99,0,0,0,0,0"
+
+set ::env(RT_MIN_LAYER) "met1"
+set ::env(RT_MAX_LAYER) "met5"
\ No newline at end of file