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Home » Santa Clarita News » Magic Mountain Pkwy/I-5 Interchange Improvements

Magic Mountain Pkwy/I-5 Interchange Improvements

The construction for the Magic Mountain Parkway/I-5 interchange improvements is underway!  The general contractor, Security Paving Construction, is currently constructing a rectangular shaped storm drain box, which is located west of The Old Road.  The completion of the entire storm drain box and the outlet structure should take about 12 months.

The improvements involve various construction activities in the City, Los Angeles County, and Caltrans' jurisdictions. 

Soon, there will be the construction of retaining walls along the southbound I-5 on and off ramp at Magic Mountain Parkway, to be followed by widening of portions of the ramps.  The work should take about 12 months to complete.   In addition, retaining walls will be constructed at the corner property of the northbound I-5 off ramp to Magic Mountain Parkway, which will take place in the summer of 2007. ||

There are a total of 11 phases for these improvements.  Currently, construction is in Phase 2 and this phase alone will take approximately 12 to 15 months to complete.  During this phase, existing ramps, at least one lane, and local roadways (Magic Mountain Parkway and The Old Road) will be open for vehicular traffic. 

Check the City of Santa Clarita's website at or the project hotline (661) 290-2297, for any extended major lane closures, detours, or news associated with this project.

Magic Mountain Pkwy/I-5 Interchange Improvements

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