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mouse over yellow dots for details on segment improvements
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Detail A
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Detail B

County Line To Green River Road

  • The 91 Project is closely bordered by the Santa Ana Canyon near the Orange County/Riverside County line, with the Cleveland National Forest to the south and the Santa Ana River to the north.
  • Two Tolled Express Lanes will be built in both directions between the County Line and Interstate 15, replacing the existing single carpool lane in both directions.
  • The 91 Project will provide an access opening and add a new lane within the existing median at the County Line. This new lane will be added between the Tolled Express Lanes and the regular lanes to help drivers enter and exit the Tolled Express Lanes.

Click here to view detailed project design for this segment of the 91 Project. Please note that design is ongoing and project maps are draft and subject to change.

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