I-405 Sepulveda Pass Improvements ProjectCommunity Meeting April 24, 2014

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Wilshire Segment

Wilshire Ramps Rendering

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Wilshire Segment—Extended Closures Complete

Ramp Tentative DateMaximum Duration

(Days)

WB Wilshire on-ramp to NB I-405 Complete 90NB I-405 off-ramp to WB Wilshire Complete 90SB I-405 off-ramp to WB Wilshire Complete 14EB Wilshire on-ramp to NB I-405 Complete 90

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The closure of the eastbound Wilshire Bl on-ramp to northbound I-405 ended on November 7, 2013, marking the last of the Wilshire ramp extended closures.

Original ramp: 824 feetReconstructed ramp: 3,129 feet280% increase in capacity

Wilshire Segment—Bridges & Walls Done

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Bridge Location Status (%)1 I-10/Exposition Bl 1002 Expo/Pico 100

3 Olympic Bl 1004 Santa Monica Bl 1005 Ohio Av 1006 SB to EB Wilshire Off 1007 NB to EB Wilshire Off 1008 EB Wilshire to NB On 1009 Wilshire Bl 10010 NB to WB Wilshire Off 10011 WB Wilshire to NB On 10012 Constitution Av 100

• Approximate total linear feet of retaining walls 17,375 ft complete

• Approximate total linear feet of sound walls 8,650 ftcomplete

Wilshire Segment—I-10 Connector Work

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Work Completed Since January 2014• WB I-10 to NB I-405: roadway surface crack repair.• EB I-10 to SB I-405: lighting, guard rail installation, irrigation

installation.• EB I-10 to NB I-405: re-striping at tie-in.• NB I-405 to EB I-10: barrier and guard rail completion

Remaining WorkNB I-405 to EB I-10: Minor drainage work, ramp metering, and final striping.

Anticipated completion of connector work is end of April 2014.Anticipated completion of connector work is end of April 2014.

Wilshire Segment—Landscaping

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Landscaping in Segment 1 Will Start in May 2014:• From mid-May through the end of June or early in July.

• Work will be done from south to north:• Start with landscaping by the I-10 connectors.• Reach the Wilshire/Sepulveda intersection in June.

Anticipated completion of landscaping in Segment 1 will be by the end of June or early in July.Anticipated completion of landscaping in Segment 1 will be by the end of June or early in July.

Wilshire Segment—Mainline Work

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Northbound Mainline WorkNighttime activities to prepare the lanes for final configuration striping in the Wilshire Segment of the mainline started on Monday, April 14.

The northbound carpool lane in the Wilshire Segment is expected to open early next month.

Southbound Mainline WorkRestriping of the southbound lanes will be completed early this summer.

The southbound mainline will be striped to have four lanes under the I-10 freeway.

Pico Bl Street Work• Curb• Gutter • Sidewalk• Driveways into County parking lot

Current lane closures and work on Pico Bl are part of a City of Los Angeles project, unrelated to the I-405.

Wilshire Segment—Pico Bl

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Project’s Pico Bl street improvements completed in early April.Project’s Pico Bl street improvements completed in early April.

Work Completed from Santa Monica Bl to Ohio AvPaving, sidewalk, curb, gutter, ADA ramp construction, street lighting

Work Completed from Nebraska Av to Santa Monica Bl• Full-depth roadway replacement• ADA ramp construction• Curb and gutter work• Sidewalk• Street lighting

Wilshire Segment—Beloit Av Improvements

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Wilshire Segment—Cotner Av Improvements

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Work Completed from Pico Bl to Olympic Bl• ADA ramps, mill and overlay, curb and gutter, sidewalk• Paving of Cotner Av parking lot• Construction of lot entrance to be completed by May

Work Completed from Olympic Bl to Santa Monica Bl• Sidewalk work at Olympic Bl• Full-depth roadway replacement, ADA ramp work, curb and gutter

work at Cotner/Nebraska Av intersection• ADA ramps at Cotner/Massachusetts Av• Paving just south of Santa Monica Bl

Wilshire Segment—Cotner Av Improvements (Contd.)

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Work Completed between Santa Monica Bl and Ohio AvADA ramp work, mill and overlay at Cotner & Ohio Av

Work Remaining, just north of Santa Monica Bl and CotnerSewer line, curb and gutter work

Striping anticipated May/June 2014Striping anticipated May/June 2014

Wilshire Segment—Drainage Work (BMPs)

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BMP Work Completed Since January:• On Cotner Av, between Pico Bl and Olympic Bl• By EB I-10 to NB I-405• By Dowlen Rd• On Beloit, between Santa Monica Bl and Olympic Bl• By SB I-405 to WB Wilshire off-ramp• West of SB I-405, under the I-10 bridge

Hydroseeding of bioswale BMPs will be done with landscaping.

Wilshire Segment—Wilshire and Sepulveda

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Paving of the Sepulveda Bl and Wilshire Bl Intersection• On Sepulveda Bl- From northernmost GSA driveway to

approximately 500 ft north of Wilshire intersection• On Wilshire Bl- From east of Sepulveda intersection (Federal

Building sign), to the SB I-405 Wilshire ramp tie-ins on the west.

Work will consist of• Grinding existing asphalt• Top lift asphalt pavement of roadway• Traffic loops installation• Restriping of intersection to permanent alignment.

Wilshire Segment—Wilshire and Sepulveda

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Sepulveda Bl/Wilshire Bl Intersection PavingTuesday, April 22 to Tuesday, May 6, from 10pm to 6am: • Wilshire Bl closed from Bonsall Av to Veteran Av• Sepulveda Bl reduced to one lane in each direction from

Constitution Av to 800 ft south of Wilshire Bl.

Detours• From WB Wilshire, left to SB Veteran Av, right to WB Santa Monica

Bl, right to NB Federal Av, and left to continue onto WB Wilshire Bl.

• From EB Wilshire, right to SB Federal Av, left to EB Santa Monica Bl, left to NB Veteran Av, and right to continue onto EB Wilshire Bl.

Wilshire Segment—Wilshire and Sepulveda

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Sepulveda Bl/Wilshire Bl Intersection PavingRamp Closures• Ramp closures will begin at 8pm.• The SB I-405 off-ramp to WB Wilshire Bl will be open.

Sepulveda Bl/Wilshire Bl intersection final configuration anticipated for completion May 2014

Sepulveda Bl/Wilshire Bl intersection final configuration anticipated for completion May 2014

On-Ramp Closures Off-Ramp Closures

EB Wilshire Bl to NB I-405 NB I-405 to WB Wilshire Bl

WB Wilshire Bl to NB I-405 SB I-405 to EB Wilshire Bl

WB Wilshire Bl to SB I-405

Wilshire Segment—Constitution Av

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Work Completed Since January• Irrigation line work• ADA ramp work

Remaining Work• Paving on Constitution/Sepulveda intersection- end of April• Crosswalk restoration- May• Signal work- May

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Sunset Segment

Sepulveda Bl and Montana Av

Sound WallSound wall from 800 ft south of Cashmere St to Montana Av completed third week of January

Sound wall ongoing work (completion end of May):Staining of concrete slope

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Montana Av undercrossing bridgeOngoing work (completion date end of May):

• Sidewalk• Curb• Gutter

• Traffic signal foundations• Pole installation• Phased asphalt paving

Sepulveda Bl Paving

The full-depth reconstruction (repaving) of Sepulveda Bl, between Montana Av and Church Ln was completed on Monday, April 7th, three weeks ahead of schedule.

• Final stage of street repaving is capping. Anticipated street capping May/early June 2014

• Reconstruction of Church intersection (requires a full weekend closure of Sepulveda Bl)

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Anticipated completion May/June 2014Anticipated completion May/June 2014

Sepulveda Bl Paving (Contd.)

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Sepulveda Bl at Montana Av looking north

Moraga Dr Ramps

Full restoration of the Moraga ramps is complete.Final restoration of Sepulveda Bl included double left-turn lanes onto the northbound Moraga Dr on-ramp from northbound Sepulveda Bl.

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Striping anticipated May/June 2014Striping anticipated May/June 2014

Northbound on-ramp

Moraga Dr Ramps (Contd.)

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Northbound off-ramp to Moraga Dr

Sunset Northbound Ramps

Nighttime Closures onlyNorthbound on-ramp and off-ramp to Sunset Bl for “pork chop” work at tie-in.

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Striping anticipated May 2, 2014Striping anticipated May 2, 2014

Ongoing Work:• Backfill, electrical work, • Paving of ramp connection to shoulder • Irrigation

Sunset Southbound Ramps

Westbound Sunset on-ramp southbound-Merging• Final configuration completed April 2014• Shoulder and median work ongoing

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Sunset Ramps—Completed Ramps

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Sunset Bl and Thurston Av

Street improvements continue on westbound Sunset Bl and North Thurston Av. These include:• Widening of westbound Sunset Bl with right lane to Thurston-

completed

• Sign-completed

• Curb-completed

• Paving modifications- anticipated completion early June

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Sepulveda Bl and Church Ln

Sound Wall Sound wall from Sunset Bl Bridge to Church Ln completed early February 2014

Ongoing work

• Electrical

• Irrigation

• Grading

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Widening of Church Lane Bridge (ongoing)• Traffic on widened bridge – completed March 2014• Sidewalk, curb, gutter, lighting – currently underway• Removal of K-rail – anticipated May 2014

100 percent of all retaining walls and sound walls for the Sunset segment have been built.

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Sunset Segment—Wall Status

10.1010.10

4.144.14

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Sunset Segment—Bridge Status

Bridge LocationStatus

(%)

13 Montana Undercrossing 100

14 NB Sunset Off-ramp 100

15 NB Sunset On-ramp 100

16 Sunset Bl Overcrossing 100

17 Church Ln Undercrossing 90

18 Getty Center Dr Undercrossing 95

• Final striping

• Complete ramp meters

• Future signal to be installed July 2014

Upcoming Street Work• Repave Sepulveda Bl from

Getty Center Dr to southbound Getty on-ramp.

• Anticipated July 2014

Getty Center Dr Ramps Area

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Northbound On-Ramp Upcoming Work

Sepulveda Bridge (near Getty Center)

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Sepulveda Bridge (Bridge 19) is complete! Minor clean up work to the southbound median approach slabs.

East side of Bridge 19 crosses Sepulveda Bl

East side of Bridge 19 crosses Sepulveda Bl

Sepulveda Bridge Near Getty Center (contd.)

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Sepulveda Bridge (Bridge 19) looking south

Wall 1862 (North of Bridge 19)

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Workers prepare to drill a hole in wall to add drainage pipe.

I-405 Northbound Full Directional & NB 5 Lane extended closure

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The I-405 northbound 5 lane will be closed from Sunset Bl to Moraga Dr beginning 10pm Friday, May 2 to 6am Monday, May 5. Northbound mainline lanes will be reduced to four lanes in this area.

The northbound I-405 will be fully closed nightly from Wilshire on-ramp to Getty Center Dr off-ramp: • The night of Friday, May 2, from midnight to 6am Saturday morning• The night of Saturday, May 3, from 1 to 6am, Sunday morning• The night of Sunday, May 4, midnight to 6am,Monday morning

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Mulholland Segment

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Mainline Median Construction

The majority of median work in Area 6 is complete

Major upcoming work:

• Southbound median on Sepulveda undercrossing approach slabs

• Sign foundation

The majority of median work in Area 7 is complete

Major upcoming work:

• Sign structure

• Pavement and barrier work

Anticipated completion May 2014Anticipated completion May 2014

Sherman Oaks Street Improvements

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Upcoming Work• Roadway work

• Landscaping

Anticipated completion July 2014Anticipated completion July 2014

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Southbound Valley Vista On-Ramp

Upcoming Work• Textured paving

• Metal beam guard rail

Work is 98 percent complete.

Signal work and reinstatement of left-turn lane from Sepulveda Blanticipated July 2014

Signal work and reinstatement of left-turn lane from Sepulveda Blanticipated July 2014

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Southbound Valley Vista On-Ramp (Contd.)

On-ramp is fully operational.Anticipated completion May 2014On-ramp is fully operational.Anticipated completion May 2014

Southbound Valley Vista Off-Ramp

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Upcoming Work Final striping ongoing; work is 90 percent complete.

Off-ramp is currently open in full capacity. Final configuration of the off-ramp will be after the median construction is complete: anticipated completion July 2014

Off-ramp is currently open in full capacity. Final configuration of the off-ramp will be after the median construction is complete: anticipated completion July 2014

Southbound Valley Vista Off-Ramp (Contd.)

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4-144-14

5-125-12

Sepulveda Bridge (Sherman Oaks)

Sepulveda Bridge is complete. Remaining work on Sepulveda Bl will occur underneath the bridge.

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Anticipated completion June 2014

Anticipated completion June 2014

Upcoming Work• Install joint seals• Install permanent fence• Complete wildlife crossing

Skirball Bridge

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Anticipated completion June 2014Anticipated completion June 2014

Skirball Bridge

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Mulholland Segment Retaining Walls

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The majority of the retaining walls in the Mulholland Segment are complete. The remaining major wall under construction: Wall 1921

Upcoming Work•Soil nail wall: 100% complete (25% increase since January)•Architectural facing

Anticipated completion June 2014Anticipated completion June 2014

Mulholland Segment Retaining Walls

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A natural break in Wall 1921 divides the wall into 1921 north and south. This photo, looking south, captures Wall 1921 north, as workers measure the correct position of piles (averaging approximately 27-feet tall).

Piles will serve as temporary support for the permanent drainage system.

Mulholland Segment Retaining Walls

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Drainage pipes in the foreground symbolize the upcoming drainage system work at Wall 1921 south. Wall 1921 must be complete before Sepulveda Bl can be widened to its final configuration.

Sepulveda Bl, Mountaingate Dr, Skirball Center Dr

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Completed:• Sepulveda Bl roadway of the northbound 2 lane• Sepulveda Bl by the southbound Skirball ramps raised to

final grade. Upcoming work:

• Storm drain work has started

• Southbound widening roadway construction

• Northbound 1 lane widening roadway construction

• Final signal configuration

• Final striping

Anticipated completion June 2014Anticipated completion June 2014

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Southbound Skirball Ramps

Off-ramp Upcoming Work • Tie in with Sepulveda Bl

• Tie in to the mainline

Work is 85 percent complete.

On-ramp Upcoming Work• Complete tie-in to Sepulveda Bl

Work is 95 percent complete.

Anticipated completion June 2014Anticipated completion June 2014

Northbound Skirball Ramps

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Off-ramp is open to full capacity; on-ramp is open to full capacity.

Anticipated completion April 2014

Anticipated completion April 2014

Southbound Skirball Off-ramp (Contd.)

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For More Information

Project Hotline: (213) 922-3665

I-405@metro.net

www.metro.net/I-405

www.facebook.com/I-405project

Twitter: http://twitter.com/I-405

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