open house - bellevue · open house intersection studies on lakemont blvd se se newport way city of...

February 20, 2019 | 6:00–7:30pmLewis Creek Park Visitor Center

OPEN HOUSEIntersection Studies on

Lakemont Blvd SE & SE Newport Way

Purpose Possible Future Steps

Planning Process & Schedule

Identify improvements at the three intersections to address safety, traffic flow, & non-motorized mobility while considering cost, property, & environmental impacts

• Secure funding• Complete design• Construct improvements

Nov Jan Mar MayDec Feb Apr June

2018 2019

Collect Data

Analyze Existing & Future Transportation Conditions

Develop Alternatives Analysis

Identify Recommended Improvements

Finalize Recommended Improvements

Develop Preliminary Engineering Designs & Cost Estimates

Complete Transportation Analysis Report

February 20Community Open House – Gather Community Input

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevuePurpose, Planning Process, & Schedule

Village Park Dr SE

Lake

mo

nt B

lvd

SE

Lake

mo

nt B

lvd

SE

SE Newport Way

I-90

The Lakemont Boulevard SE and SE Newport Way corridors are major and minor arterials respectively that provide access to residential neighborhoods, schools, parks, and employment centers, and travel between I-90 and Cougar Mountain / Lakemont.

The three existing intersections that are being evaluated for this study include:

• Lakemont Blvd SE / Forest Drive SE• Lakemont Blvd SE / SE Newport Way• SE Newport Way / I-90 Eastbound On-Ramp

164t

h A

ve S

E

Forest Dr SE

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevueStudy Intersections

Fore

st D

r SE

Right-of-Way

PEAK HOUR TRAFFIC VOLUMES

CURRENT FUTURE

STOP CONTROL INTERSECTION AVERAGE DELAYS

20182018 2035

PM PM

AM AM

AM AMPM PM2035

LEGEND

8 sec

17 sec

14 sec

38 sec

AM – 2018

PM – 2018

AM – 2035

PM – 2035

841 890

219 200

198 180

456 540

78 80

106

110

172 150

174 170

36 40

97 120

88 130

24 20

6’ 3 sec/veh – 2035 LEFT-TURN/THROUGH MOVEMENT




390

’ 21

0 s

ec/

veh

– 2

035

24

3’ 1

15 s

ec/

veh

– 2

018

175’

114

sec/

veh

– 2

035

122’

60 s

ec/

veh

– 2

018

AM

AM

AM

AM

PM

PM

PM PM

Existing Stop Control on Forest Drive SEAverage Delay & 95th Percentile Queues

Lakemont Blvd SE

156th Ave SE

NO SOUTHBOUND QUEUE OR DELAY

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevueLakemont Blvd SE/Forest Drive SE – Existing Condition (2018) & No Build (2035)

156th Ave SE

Fore

st D

r SE

Right-of-Way88

’ 18

sec/

veh

– 20

35

77’ 1

8 se

c/ve

h –

2035

43’ 6 sec/veh – 2035 THROUGH MOVEMENT

81’ 4 sec/veh – 2035317’ 14 sec/veh – 2035

AM

AM

AM

PM

PM

PM

Lakemont Blvd SE293’ 14 sec/veh – 2035 THROUGH MOVEMENT

AM PM2035

AM – 2035

PM – 2035

12.0 sec14.0 sec

2035

PM

AM

890

200

180

540

8011

0

150

170

40

120

130

20

Signal ControlAverage Delay & 95th Percentile Queues

FUTURE PEAK HOUR TRAFFIC VOLUMES

TRAFFIC SIGNAL INTERSECTION AVERAGE

DELAYS

LEGEND

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevueLakemont Blvd SE/Forest Drive SE – Signal (2035)

Lakemont Blvd SE

156th Ave SE

Fore

st D

r SE

Right-of-Way

AM – 2035

PM – 2035

AM

200

540

110170

120

20

FUTURE PEAK HOUR TRAFFIC VOLUMES

TRAFFIC SIGNAL INTERSECTION AVERAGE

DELAYS

LEGEND

AM PM2035

8.0 sec

14.0 sec

88’

18 s

ec/

veh

– 2

035

77’

18 s

ec/

veh

– 2

035

34’ 5 sec/veh – 2035 THROUGH MOVEMENT198’ 9 sec/veh – 2035 THROUGH MOVEMENT

81’ 4 sec/veh – 2035317’ 14 sec/veh – 2035

AM

AM

AM

PM

PM PM

2035

PM

890

180

80150

40

130

Signal Control w/ Added Left-Turn LaneAverage Delay & 95th Percentile Queues

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevueLakemont Blvd SE/Forest Drive SE – Signal w/ Added Left-Turn Lane (2035)

Right-Of-W

ay

I-90

Lakemont Blvd SE

I-90 Eastbound On-Ramp

I-90 Eastbound O

ff-R

amp

Existing Signal Control Average Delay & 95th Percentile Queues

30 sec

16 sec

31 sec

117 sec

43 sec

8 sec

54 sec

1141 sec

AM – 2018

PM – 2018

AM – 2035

PM – 2035

2018 2035PM PM

AM AM

7 10

18 20

63 120

140

160

263

230

658

600

348

340

1309

970

243

270

295

330

222

370

760

1130

30 30407 600

31 30667 1160

130 140

27 30

516 480

46 40

42 60143 170

166 170607 570

47 50

240 230

175 220

763 730

7 10

7 1

96 80

67 40

2018

Lakemont/Newport Newport/I-90 Eastbound On-Ramp

2018AM AMAM AMPM PMPM PM

2035 2035

AM

AM

AM

AM

AMPM

AM

AM

AM

AM

AM

AMPM

PM

PM

PM

PM

PM

PM

PM

PM

PM

SE Newport Way356’ 14 sec/veh – 2018

327’ 15 sec/veh – 2035

118’ 19 sec/veh – 2018THROUGH/RIGHT-TURN MOVEMENT 217’ 60 sec/veh – 2035

THROUGH/RIGHT-TURN MOVEMENT 237’ 65 sec/veh – 2018

LEFT-TURN MOVEMENT 46’ 43 sec/veh – 2035


101’ 18 sec/veh – 2035


260’ 15 sec/veh – 2018 RIGHT-TURN MOVEMENT

478’ 37 sec/veh – 2018

THR

OU

GH

/RIG

HT-TU

RN

MO

VEM

EN

T

228’ 41 sec/veh – 2018

THR

OU

GH

/RIG

HT-TU

RN

MO

VEM

ENT


141’ 68 sec/veh – 2018 LEFT-TURN MOVEMENT


LEFT-TURN MOVEMENT 494’ 78 sec/veh – 2035LEFT-TURN MOVEMENT 139’ 9 sec/veh – 2018


446’ 35 sec/veh

– 2035 TH

RO

UG

H/R

IGH

T-TUR

N M

OV

EM

EN

T

Lakemont Blvd SE

198’ 36 sec/veh – 2035 TH

ROU

GH

/RIGH

T-TUR

N M

OV

EMEN

T

LEFT-TURN

MO

VEM

ENT 200’ 34 sec/veh

– 2018

LEFT-TURN

MO

VEM


– 2035LEFT-TU

RN

MO

VEM


– 2018

LEFT-TURN

MO

VEM


– 2035

PEAK HOUR TRAFFIC VOLUMES TRAFFIC SIGNAL INTERSECTION AVERAGE DELAYS

LEGENDCURRENT FUTURE

AMPM

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of Bellevue

Lakemont Blvd SE/SE Newport Way & SE Newport Way/I-90 EB On-Ramp – Existing Condition (2018) & No Build (2035)

Right-Of-W

ay

SE Newport Way

Lakemont Blvd SE


Lakemont Blvd SE

I-90

24 sec21 sec

11 sec

31 sec

AM – 2035

PM – 2035

Lakemont/Newport Newport/I-90 Eastbound On-Ramp

AM AMPM PM2035 2035

2035PM

AM

1020

120

160

230

600

340

970

270

330

370

1130

30 600

30 1160

140

30

480

40

60 170

170 570

50

230

220

730

10

1

80

40





35’ 27 sec/veh – 2035

THR

OU

GH

/RIG

HT-TU

RN

MO

VEM

EN

T

AM

AM

AM

AM

PM

PM

PM

PMAM

PM

I-90 Eastbound O

ff-R

amp

430’ 18 sec/veh – 2035 THROUGH/RIGHT-TURN MOVEMENT

146’ 21 sec/veh – 2035 THROUGH/RIGHT-TURN MOVEMENT

210’ 33 sec/veh – 2035 TH

RO

UG

H/R

IGH

T-TUR

N M

OV

EM

EN

T

THROUGH/RIGHT-TURN MOVEMENT 214’ 56 sec/veh – 2035


PMA

M

LEFT-TURN

MO

VEM


– 2035

LEFT-TURN

MO

VEM


– 2035

Modified Signal Control Average Delay & 95th Percentile Queues

FUTURE PEAK HOUR TRAFFIC VOLUMES TRAFFIC SIGNAL INTERSECTION AVERAGE DELAYS

LEGEND


Lakemont Blvd SE/SE Newport Way & SE Newport Way/I-90 EB On-Ramp – Modified Signals (2035)

Right-Of-W

ay


I-90

I-90 Eastbound O

ff-R

amp

1141 sec

AM – 2035

PM – 2035

2035PM

AM

1020

120

160

230

600

340

970

270

330

370

1130

30 600

30 1160

140

30

480

40

60 170

170 570

50

230

220

730

10

1

80

40

AM PM2035

5.4 sec5.0 sec

AM

AMPM

AM

AM

AM

PM

PM

PM

PM

SE Newport Way

125’ 6.3 sec/veh – 2035

64’ 9.3 sec/veh

– 2035

104’ 6.3 sec/veh

– 2035

10’ 7.7 sec/veh – 2035

184’ 5.6 sec/veh – 203548’ 5.2 sec/veh – 2035

77’ 14.7 sec/veh – 2035

19’ 4.3 sec/veh – 2035

Lakemont Blvd

SE

Lakemont Blvd SE

47’ 4.0 sec/veh – 203524’ 6.1 sec/veh – 2035

Roundabout Control Average Delay & 95th Percentile Queues

FUTURE PEAK HOUR TRAFFIC VOLUMES ROUNDABOUT INTERSECTION AVERAGE DELAYS

LEGEND


Lakemont Blvd SE/SE Newport Way & SE Newport Way/I-90 EB On-Ramp – Roundabout (2035)

Traffic Signal Roundabout

Diverging Conflict Crossing Conflict Pedestrian ConflictMerging Conflict

OPEN HOUSE – Intersection Studies on Lakemont Blvd SE & SE Newport Way – City of BellevueConflict Diagram & Pedestrians/Bicyclists Facilities – Signal vs. Roundabout

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