Inform

ation

425-452-6800

mc3884A-10.19.indd

For

alte

rnat

e fo

rmat

s, in

terp

rete

rs, o

r re

ason

able

acc

omm

odat

ion

requ

ests

ple

ase

phon

e at

leas

t 48

hour

s in

adv

ance

425

-452

-206

4 (v

oice

) or

emai

l mje

nsen

@be

llevu

ewa.

gov.

For

com

plai

nts

rega

rdin

g ac

com

mod

atio

ns, c

onta

ct C

ity o

f Bel

levu

e AD

A/Ti

tle V

I Adm

inis

trat

or a

t 425

-452

-616

8 (v

oice

) or

emai

l AD

ATitl

eVI@

belle

vuew

a.go

v. If

you

are

dea

f or

hard

of h

eari

ng d

ial 7

11. A

ll m

eetin

gs a

re w

heel

chai

r ac

cess

ible

.

Q:

How

doe

s a

min

i-rou

ndab

out

redu

ce s

peed

s?

A:

In a

rou

ndab

out,

driv

ers

ente

r th

e in

ters

ectio

n by

nav

igat

ing

thro

ugh

curv

es

(chi

cane

s) w

ith c

urbs

on

both

sid

es. T

his

resu

lts in

low

er v

ehic

le s

peed

s.

Q:

Wha

t is

the

aver

age

vehi

cle

spee

d dr

ivin

g th

roug

h a

roun

dabo

ut?

A:

The

aver

age

vehi

cle

spee

d is

ap

prox

imat

ely

15 m

ph.

Q:

How

is p

edes

tria

n sa

fety

impr

oved

w

ith

a ro

unda

bout

com

pare

d to

an

all-w

ay s

top

inte

rsec

tion

?A

: At

all-

way

sto

p in

ters

ectio

ns, d

rive

rs o

ften

ac

cele

rate

thro

ugh

the

inte

rsec

tion

afte

r th

ey h

ave

stop

ped.

Thi

s ac

cele

ratio

n,

whe

ther

the

vehi

cle

is g

oing

str

aigh

t or

turn

ing,

incr

ease

s th

e da

nger

to

pede

stri

ans.

Als

o, m

any

driv

ers

roll

thro

ugh

stop

sig

ns if

they

don

’t se

e an

y cr

oss-

traffi

c a

nd s

omet

imes

fail

to n

otic

e pe

dest

rian

s cr

ossi

ng th

e st

reet

.

It

is s

afer

for

pede

stri

ans

in a

rou

ndab

out

than

in a

con

vent

iona

l int

erse

ctio

n be

caus

e th

e nu

mbe

r of

veh

icle

m

ovem

ents

(e.g

., le

ft tu

rns)

that

cou

ld

confl

ict w

ith p

edes

tria

ns is

red

uced

and

cr

ossi

ng d

ista

nces

are

sho

rten

ed.

For

mor

e in

form

atio

n ab

out

roun

dabo

uts

in B

elle

vue

Visi

t Bel

levu

eWA.

gov/

roun

dabo

uts

Cont

act J

un A

n, s

enio

r pr

ojec

t man

ager

, Tra

nspo

rtat

ion

Dep

artm

ent a

t 42

5-45

2-42

30 o

r ja

n@be

llevu

ewa.

gov.

138t

h Av

enue

SE

and

SE 4

0th

Stre

et (T

yee

Mid

dle

Scho

ol)

Min

i-Rou

ndab

out

Q:

Why

is th

e ci

ty b

uild

ing

a m

ini-

roun

dabo

ut a

t the

inte

rsec

tion

of

100t

h Av

enue

NE

and

NE

10th

Str

eet?

A:

Dur

ing

the

desi

gn p

hase

of t

he 1

00th

Av

enue

NE

Com

plet

e St

reet

s pr

ojec

t, ne

ighb

ors

expr

esse

d tw

o pr

imar

y co

ncer

ns a

bout

the

inte

rsec

tion

of 1

00th

Av

enue

NE

and

NE

10th

Str

eet:

vehi

cles

no

t sto

ppin

g at

the

all-w

ay s

top

and

pede

stri

an s

afet

y. It

was

det

erm

ined

that

a

min

i-rou

ndab

out w

as th

e be

st w

ay to

ad

dres

s bo

th c

once

rns.

Q:

Wha

t saf

ety

feat

ures

will

the

roun

dabo

ut a

t 100

th A

venu

e N

E an

d N

E 10

th S

tree

t hav

e?A

: Th

e ne

w r

ound

abou

t will

incl

ude

seve

ral

new

saf

ety

feat

ures

:

C

ross

wal

ks a

re fa

rthe

r ba

ck fr

om v

ehic

le

traffi

c, a

llow

ing

driv

ers

mor

e tim

e to

100

th A

ven

ue

NE

an

d N

E 1

0th

S

tree

t M

ini-

Ro

un

dab

ou

t

Freq

uen

tly

Ask

ed

Qu

esti

on

s (F

AQ

s)re

act t

o pe

ople

cro

ssin

g ro

adw

ay b

efor

e m

ergi

ng o

nto

or o

ut o

f the

rou

ndab

out.

P

edes

tria

n cr

ossi

ng s

igns

on

both

sid

es o

f th

e st

reet

on

all c

ross

wal

k lo

catio

ns.

Re

ctan

gula

r Ra

pid

Flas

hing

Bea

cons

(R

RFB

) on

the

nort

h, s

outh

, and

eas

t le

gs o

f the

inte

rsec

tion

to e

nhan

ce

pede

stri

an s

afet

y.

Ad

ditio

nal l

ight

ing

to m

ake

pede

stri

ans

mor

e vi

sibl

e at

nig

ht.

Cr

ossw

alk

dist

ance

is s

hort

ened

from

ab

out 5

0 fe

et.

Pl

acin

g a

cros

swal

k 20

feet

from

the

yiel

d lin

e al

low

s pe

dest

rian

s to

wal

k be

hind

a v

ehic

le th

at is

wai

ting

to e

nter

th

e ro

unda

bout

.

100t

h Av

enue

NE

and

NE

10th

Str

eet

Min

i-Rou

ndab

out D

esig

n Co

ncep

t

Q:

How

doe

s th

e ro

unda

bout

eff

ect

the

prop

osed

bik

e la

nes

on 1

00th

A

venu

e N

E?A

: Tr

ansp

orta

tion

staff

wor

ked

with

the

com

mun

ity to

iden

tify

the

best

way

to

acco

mm

odat

e pe

ople

ridi

ng b

ikes

and

de

cide

d on

a m

ulti-

purp

ose

path

on

the

east

sid

e of

the

100t

h Av

enue

NE,

bet

wee

n N

E 14

th S

tree

t and

NE

24th

Str

eet.

At

this

tim

e th

ere

are

no o

ther

bic

ycle

im

prov

emen

ts p

lann

ed o

n 10

0th

Aven

ue

NE

betw

een

NE

8th

and

NE

14th

str

eets

. Pe

ople

on

bike

s ca

n ch

oose

to ri

de th

roug

h th

e ro

unda

bout

with

traffi

c o

r wal

k th

eir

bicy

cles

thro

ugh

the

pede

stria

n cr

ossw

alks

.

Q:

Will

the

med

ian

isla

nds

be p

lant

ed

wit

h ve

geta

tion

?A

: Ye

s, m

edia

n (s

plitt

er) i

slan

ds w

ill b

e pl

ante

d w

ith v

eget

atio

n.

Q:

Will

the

cent

ral r

ound

abou

t isl

and

be la

ndsc

aped

?A

: N

o, th

e ce

ntra

l isl

and

will

not

incl

ude

vege

tatio

n be

caus

e th

e m

ini-r

ound

abou

t is

des

igne

d to

be

driv

en o

ver

by b

uses

an

d tr

ucks

as

they

mak

e th

eir

turn

s. B

uses

an

d tr

ucks

larg

er th

an a

typi

cal U

PS v

an

will

nee

d to

dri

ve o

ver

the

cent

ral i

slan

d (e

spec

ially

whe

n m

akin

g le

ft tu

rns)

due

to

the

tight

turn

ing

radi

us. T

he c

entr

al is

land

w

ill in

clud

e pa

tter

ned,

col

ored

con

cret

e.

Q:

Will

the

roun

dabo

ut im

pact

em

erge

ncy

resp

onse

tim

es?

A:

The

city

’s Fi

re M

arsh

al s

ays

depa

rtm

ent

staff

will

trea

t the

cen

tral

isla

nd th

e sa

me

as d

rivi

ng o

ver

a sp

eed

hum

p,

whi

ch w

ill a

dd a

ppro

xim

atel

y se

ven

seco

nds

to r

espo

nse

times

. How

ever

, the

ro

unda

bout

sho

uld

impr

ove

the

effi c

ient

ly

of th

e ex

istin

g al

l-way

sto

p, w

hich

wou

ld

likel

y m

ake

up fo

r m

ost,

if no

t all

of th

e ad

ditio

nal s

even

sec

onds

it ta

kes

to d

rive

ov

er th

e is

land

.

Q:

Wha

t oth

er im

prov

emen

ts a

t thi

s in

ters

ecti

on w

ere

cons

ider

ed?

A:

An a

ll-w

ay s

top

inte

rsec

tion

with

no

turn

lane

s w

as e

valu

ated

. Alth

ough

this

al

tern

ativ

e w

ould

impr

ove

pede

stri

an

safe

ty a

nd w

ould

be

fam

iliar

to d

rive

rs, i

t w

ould

incr

ease

traffi

c d

elay

s an

d w

ould

no

t nec

essa

rily

sol

ve v

ehic

les

not s

topp

ing

at th

e al

l-way

sto

p is

sue.

A

traffi

c s

igna

l was

con

side

red

as w

ell,

but c

urre

nt a

nd p

redi

cted

traffi

c v

olum

es

do n

ot s

uppo

rt th

e ne

ed fo

r on

e. A

lso,

a

sign

aliz

ed in

ters

ectio

n w

ould

not

sol

ve

the

issu

e of

veh

icle

spe

edin

g on

100

th

Aven

ue N

E.

Q: H

ow m

any

sign

s w

ill th

ere

be a

t the

m

ini-r

ound

abou

t?

A:

The

adja

cent

illu

stra

tion

(Fig

ure

1)

show

s th

e si

gns

that

will

be

incl

uded

. An

adv

ance

d ro

unda

bout

war

ning

sig

n w

ill in

form

dri

vers

ther

e is

a r

ound

abou

t ah

ead.

Ped

estr

ian

cros

sing

war

ning

sig

ns

will

em

phas

ize

to th

e dr

iver

s to

exp

ect

pede

stri

an a

t the

cro

ssin

g. F

inal

ly, a

yie

ld

sign

with

rou

ndab

out s

ymbo

l sig

n w

ill b

e pl

aced

pri

or to

ent

erin

g th

e ro

unda

bout

.

Figu

re 1

: Exa

mpl

e of

Reg

ulat

ory

and

War

ning

Sig

ns fo

r a

Min

i-Rou

ndab

out

Sour

ce: M

anua

l on

Uni

form

Traffi

c Co

ntro

l Dev

ice

(MU

TCD

) – M

ini-R

ound

abou

t Sig

ns

Q:

How

will

incr

ease

d tr

affi

c fr

om fu

ture

de

velo

pmen

t aff

ect t

he r

ound

abou

t?A

: Th

e Ci

ty’s

trav

el d

eman

d m

odel

fore

cast

s fu

ture

vol

umes

and

trav

el p

atte

rns

base

d on

ado

pted

land

use

pro

ject

ions

an

d pl

anne

d tr

ansp

orta

tion

netw

ork

impr

ovem

ents

. The

fore

cast

s (fo

r th

e ye

ar 2

029)

sho

w a

7%

incr

ease

in v

ehic

le

volu

mes

in th

e m

orni

ng p

eak

and

a 13

%

incr

ease

in th

e af

tern

oon

peak

. The

traffi

c

anal

ysis

sho

ws

that

a r

ound

abou

t will

co

ntin

ue to

ope

rate

wel

l. Th

e av

erag

e fu

ture

veh

icle

del

ay in

the

roun

dabo

ut is

es

timat

ed to

be

11.6

sec

onds

per

veh

icle

ve

rsus

the

exis

ting

all-w

ay s

top

that

is

estim

ated

at 1

7.4

seco

nds

per

vehi

cle.

Q:

Will

mor

e bu

s la

yove

r zo

nes

be

need

ed o

n N

E 10

th S

tree

t and

100

th

Aven

ue N

E?A

: It’

s po

ssib

le. C

urb

spac

e in

dow

ntow

n Be

llevu

e is

bot

h in

hig

h de

man

d an

d ex

trem

ely

limite

d. In

add

ition

to tr

ansi

t la

yove

rs, p

ublic

rig

ht-o

f-w

ay d

ownt

own

also

mus

t acc

omm

odat

e fr

eigh

t de

liver

ies,

pas

seng

er p

ick-

ups

and

drop

-off

s, s

hort

-ter

m p

arki

ng, b

icyc

le tr

avel

an

d ve

hicl

e tr

avel

. Bus

layo

ver

spac

e is

ex

trem

ely

impo

rtan

t in

prov

idin

g qu

ality

tr

ansi

t ser

vice

, whi

ch is

cri

tical

to m

eetin

g th

e gr

owin

g tr

avel

dem

and

dow

ntow

n.

The

city

cur

rent

ly is

wor

king

with

Kin

g Co

unty

Met

ro a

nd S

ound

Tra

nsit

to

deve

lop

a bu

s la

yove

r pl

an to

add

ress

an

ticip

ated

nee

ds th

roug

h 20

25. W

e’ll

know

mor

e w

hen

the

stud

y is

com

plet

ed

in m

id-2

020.

Que

stio

ns r

egar

ding

the

layo

ver

stud

y ca

n be

dir

ecte

d to

Chr

is

Iver

son

at c

iver

son@

belle

vuew

a.go

v.

Bus

Layo

ver Z

one

on N

E 10

th S

tree

t Jus

t Eas

t of 1

00th

Ave

NE