North Queen Anne Neighborhood Traffic Management Plan

November 2004

• Present Study Findings

• Get feedback from local residents regarding

possible solutions.

Purpose of Meeting

• Study Purpose

• Review Study Data and Findings

• Discuss Desired Goals & Possible Solutions

• Review Group Results

• Work Towards Consensus for Solutions

• Next Steps

Meeting Agenda

• Calm Excessive Speeds

• Reduce or Eliminate Cut-Through Traffic

Purpose of Study

Study Area Map

• Collected license plate numbers (using cameras &

volunteers) at 8 locations for 12 entry/exit points

• Data were collected for 12 hours (7 a.m. to 7 p.m.)

• Matched entering and existing license plates

• Determined cut-thru volume and percentage at

each entry/exit point

• Used SPU database of license plates to match and

document number and percent of SPU traffic

Traffic Study Methodology

Collected 24-hour traffic volume and speed data at:1. Warren Ave N – between Queen Anne Dr & Raye St (both directions)

2. Warren Ave N – between Fulton St & Florentia St (both directions)

3. First Ave N – between Queen Anne Drive & Raye St (both directions)

4. Queen Anne Ave N – between Smith Street & Raye St (both directions)

5. Queen Anne Ave N – between Armour St & Fulton St (both directions)

6. First Ave W – between W Smith Street & W Raye St (both directions)

7. W Smith St – between Second Ave W & Third Ave W (both directions)

8. W Raye St – between Second Avenue W & Third Ave W (westbound)

Volume and Speed Study Surveys

Volumes

and

Excessive Speed

Summary of Findings

Daily Volume Comparison

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WBS

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d

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un

d

0

500

1,000

1,500

2,000

2,500

3,000

Queen AnneAve N btwnSmith St. &

Raye St.

Queen AnneAve N btwnArmour &

Fulton

Warren AveN btwn

Queen AnneDr. & Raye

St.

Warren AveN btwn

Fulton &Florentia

W Smith Stbtwn 2nd

Ave W & 3rdAve W

W Raye Stbtwn 2nd

Ave W & 3rdAve W

First Ave Wbtwn W

Smith St.and W Raye

St.

First Ave Nbtwn Queen

Anne Dr.and Raye

To

tal

Vo

lum

e (

ve

hic

les

)

Comparison of 85th Percentile Speeds

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und

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ort

hb

ou

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uth

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un

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So

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un

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So

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bo

un

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So

uth

bo

un

d

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bo

un

d

0

5

10

15

20

25

30

35

Queen AnneAve N btwnSmith St. &

Raye St.

Queen AnneAve N btwnArmour &

Fulton

Warren AveN btwn

Queen AnneDr. & Raye

St.

Warren AveN btwn

Fulton &Florentia

W Smith Stbtwn 2nd

Ave W & 3rdAve W

W Raye Stbtwn 2nd

Ave W & 3rdAve W

First Ave Wbtwn W

Smith St.and W Raye

St.

First Ave Nbtwn QueenAnne Dr. and

Raye

85

th P

erc

en

tile

Sp

eed

(m

ph

)

Cut-Through

Traffic

Summary of Findings

• All routes studied experience a significant

percentage of cut-through travel

• Approx. 1,950 of 3,570 vehicles (55%) entering area,

were cut-thru

• Largest volume on Queen Anne Ave N; 577

southbound, 409 northbound

• Also high on eastbound W Smith Street; estimated

495 cut-thru trips

Cut-Thru Traffic Survey - Findings

• Approx. 165 vehicles (46% of total volume) use

Warren Ave N as southbound route

• Approx. 206 vehicles (59% of total volume) use

Warren Ave N as northbound route.

• SPU matches were approx. 5% of all cut-thru traffic;

highest on W Raye St – 43 SPU plates (~19%) of

approximately 230 cut-thru trips.

Cut-Thru Traffic Survey - Findings

PrimaryCut –Thru

Routes

12-Hour Local and Cut-Thru Volumes

0

200

400

600

800

1000

1200

Warrenat Queen

Anne(NB)

Warrenat

Florentia(NB)

Warrenat

Florentia(SB)

Warrenat Queen

Anne(SB)

First AveN at

QueenAnne(NB)

QueenAnneAve atSmith(NB)

QueenAnneAve atFulton(NB)

QueenAnneAve atFulton(SB)

QueenAnneAve atSmith(SB)

First AveW at WSmith(NB)

W Smithat 3rdAve W(EB)

W Rayeat 3rdAve W(WB)

To

tal

Vo

lum

e (

ve

hic

les

)

Cut-Thru

Local

• Chicane

• Center Island and Choker

• Center Island and Humps

• Forced Turn

• Half Closure

• Diagonal Diverter

• Full Closure

Description ofPotential Traffic Calming Measures

Treatment Examples – Chicane

Treatment Examples – Center Island and Choker

Treatment Examples – Center Island and Humps

Treatment Examples – Forced Turn

Treatment Examples – Half Closure

Treatment Examples – Diagonal Diverter

Treatment Examples – Full Closure

Discuss desired traffic goals

Identify possible traffic calming

measures that will reduce excessive

speeds and cut-thru traffic

What Your Task Is Now.

• Traffic Consultants will review meeting

comments and prepare a draft plan

• Neighborhood Meeting to review draft plan

(tentatively scheduled for January, 2005)

• Coordinate with other neighborhood groups

Next Steps

For More Information

www.qatraffic.com