(a) IR 490. The eastbound and westbound roadways of IR 490 between Thruway exit 47 and the Genesee-Monroe county line in the Towns of Le Roy and Bergen.
(b) IR 90. The eastbound and westbound roadways of IR 90 between the Erie-Genesee county line and the Genesee-Monroe county line in the Towns of Pembroke, Batavia, Stafford and Le Roy.