The following written questions were submitted by the deadline of 5 : 00 p . m ., March 7 , 2025 : 1 . Q - Will the interviews planned for April 23 , 2025 , be virtual or in person ? A - Interviews will be held virtually . 2 . Q - Is any travel demand modeling or market analysis work required for this project .

The following procurement cannot be submitted on - line . Interested vendors can download the solicitation document file and any listed addendum listed below . If you would like further information regarding this procurement , e - mail or call the Procurement Administrator listed below .

Update on the Interstate 5 ( I - 5 ) to Interstate 405 ( I - 405 ) Segment Area project Begin project State Route 55 ( SR - 55 ) Between I - 5 and I - 405 Overview Participating cities : Santa Ana , Irvine , and Tustin

Ball 46 , 83 , ART East Shuttle Area Metro 460 83 ; RTA 200 , ART

New : Effective Friday , June 6 , 2025 , at 2 : 30 p . m . until 55 862 7 : 30 p . m ., the buses on routes 55 and 862 will be on detour in the City of Santa Ana due to a graduation . For more information : www . octa . net / 714 - 636 - RIDE ( 7433 )

Northbound - Westbound Al Norte – Al Oeste ( Approximate Times / Tiempos Aproximados )

Route 794 Riverside / Corona to South Coast Metro Express via 91 Fwy / 55 Fwy ... No Changes / Sin cambios / Không thay đổi New Segment / Nuevo segmento / Phân khúc mới Discontinued Segment / Segmento descontinuado / Phân đoạn bị giảm đoạn

This study builds upon the previous 2018 OC Transit Vision and other recent studies to establish a framework for future transit investments that include high - capacity transit corridors , which aims to move a lot of people quickly and often , a long with other recommendations ranging from fixed - route bus to on - demand services .

The budget request is for costs associated with right - of - way support services for the State Route 55 from the I - 405 to I - 5 . Services include real estate appraisal and review fees , property owner appraisals , goodwill appraisals , relocation , demolition , environmental mitigation , and litigation services .

The Orange County Transportation Authority ( OCTA ), in partnership with the California Department of Transportation ( Caltrans ), is improving State Route 91 ( SR - 91 ) from State Route 57 ( SR - 57 ) to State Route 55 ( SR - 55 ). OCTA and Caltrans are working with the neighboring cities of Anaheim , Orange , Placentia , Fullerton and Yorba Linda .