South of the Railroad Avenue tunnel will be limited to one lane in each direction around the clock starting Wednesday

McLoughlin Boulevard in Oregon City south of the Railroad Avenue tunnel will be limited to one lane in each direction around the clock starting Wednesday for a project to reduce the rockfall danger.

ODOT - Sections of Highway 99E with lane closures planned by state officials.Also known as Oregon Highway 99E, McLoughlin Boulevard is expected to cause heavy traffic impacts as construction continues through this summer. Travelers should expect lengthy delays in the area, especially during peak commute times. Oregon's Department of Transportation is encouraging commuters to consider alternate routes, such as Interstate 5 or Oregon 211 to Oregon 213.

Only one northbound lane and one southbound lane will be open during the work that officials hope to complete by the end of September. ODOT officials say the lane closures are necessary to protect travelers from rockfall, as well as to protect work crews.

ODOT officials say that occasional 20-minute full closures may be necessary while crews remove debris from the slope above the highway. Whenever possible, ODOT hopes to schedule these full closures outside peak commute times.

Work will take place on two sections of the road between the south end of the tunnel and Old Canemah Park where there's a history of rocks falling from the slopes and closing the highway.

Since 2008, this area has seen eight rockfall incidents. Most recently, in November 2016, a rockfall in the southern section closed a travel lane for three days, with cleanup requiring periodic closures of the entire highway. ODOT last installed wire mesh on these hillsides in 1983 and 1995.

In June and July, work will occur on the southern section at milepost 13.4 near Old Canemah Park in the Historic District of Canemah. Crews will return to pave this section of highway when slope work is complete.

In July through September, work will occur at milepost 12.6 just south of the Railroad Avenue tunnel.

Crews will scale the slopes in these locations to remove loose rock and hillside vegetation. Once this work is complete, they will install rock bolts as needed to improve slope stability and repair or replace older wire mesh as needed.

In early 2019, a project aims to improve illumination and reduce maintenance costs by replacing lighting and obsolete fixtures in the tunnel and the pedestrian tunnel.

To learn more about the project and provide feedback, visit ODOT's online open house at

I-205 open house set for June 6

Preliminary design work is underway to address seismic resiliency, safety, operations and congestion along the 7-mile stretch of Interstate 205 between the Abernethy Bridge and Stafford Road.

ODOT's project team will host an open house, including a brief presentation outlining proposals, from 5 to 7 p.m. Wednesday, June 6, at the Museum of the Oregon Territory, 211 Tumwater Drive, Oregon City.

Proposals along I-205 include seismically upgrading the Abernethy Bridge, which crosses the Willamette River between West Linn and Oregon City; adding a third lane on I-205 between Stafford Road and McLoughlin Boulevard; and consolidating two separate northbound I-205 on-ramps near Highway 43 to eliminate the merging and weaving that currently occurs on I-205.

Visit to participate in the online open house and learn more through June 22.

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