Analysis of information sources in references of the Wikipedia article "Interstate 5 in California" 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 I-9 to satisfy Interstate numbering convention.
{{cite book}}: CS1 maint: numeric names: authors list (link)[Highway Patrol Officer John Lutz] adds that the Highway Patrol regards this short-term closure as routine: "This happens nearly every year"
the California Highway Patrol on Tuesday strongly defended its decision to cut traffic off, saying that the icy road surface, steep grade of the Tejon Pass and heavy post-holiday traffic volume made the Grapevine simply too dangerous to navigate ... If an accident forces traffic to slow or come to a complete stop, and snow continues to fall, hundreds of vehicles can become stalled at once. The Tejon Pass is particularly vulnerable because of its steep hills and the number of big-rigs that travel on it
