Analysis of information sources in references of the Wikipedia article "List of future Interstate Highways" in English language version.
Interstate designation, under the current proposal, would apply to the 260-mile (420 km) segment between the junction of State Route 99 with I-5 south of Bakersfield to I-5 in Stockton using State Route 4 as the connector to I-5. Since there is an I-99 route currently in existence in Pennsylvania, it is anticipated that should designation be granted, the Route 99 designation would become I-7 or 9 to satisfy Interstate numbering convention.
Interstate designation, under the current proposal, would apply to the 260-mile (420 km) segment between the junction of State Route 99 with I-5 south of Bakersfield to I-5 in Stockton using State Route 4 as the connector to I-5. Since there is an I-99 route currently in existence in Pennsylvania, it is anticipated that should designation be granted, the Route 99 designation would become I-7 or 9 to satisfy Interstate numbering convention.
