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Design Matrix Procedures Chapter 325
Page 325-16 (Reformatted Only) WSDOT Design Manual M 22-01.04 January 2009
ò
Proj
ect T
ype
Brid
ges(
11)
Inte
rsec
tions
Bar
riers
Des
ign
Elem
ents ð
Horiz. Align.
Vert. Align.
Lane Width
Shldr Width
Lane Transition
On/OffConn.
Median Width
Cross Slope Lane
Cross Slope Shldr
Fill/DitchSlopes
Access(3)
Clear Zone(18)
Sign., Del., Illumin.
Basic Safety
Bike & Ped.
Lane Width
Shldr Width
Vertical Clear-ance
Structural Capacity
Turn Radii
Angle
I/SSightDist.
Term. & Trans. Section(12)
Std Run
Bridge Rail(14)(19)
Pres
erva
tion
Roa
dway
(3-1
) N
on-In
ters
tate
Fre
eway
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
DE/F
BB
DE/F
DE/F
FF
BF
(3-2
) HMA/PCCP/BSTOverlays
DE/M
DE/M
DE/M
DE/M
DE/F
DE/F
DE/M
DE/M
DE/M
DE/M
BB
MDE/M
DE/M
F
B
FB
F(3
-3)
ReplaceHMAw/P
CCPatI/S
DE/M
DE/M
EU/M
EU/M
DE/F
DE/M
EU/M
DE/M
DE/M
BB
MDE/M
DE/M
FB
FB
FSt
ruct
ures
(3-4
) B
ridge
Rep
lace
men
tF(
2)F(
2)F(
2)F(
2)F
F(2)
F(2)
F(2)
F(2)
F(2)
FF
FF(
2)F(
2)F
FF(
2)F(
2)F
FF
F(3
-5)
Brid
ge D
eck
Reh
ab.
BB
MF
F(6)
F(22
)F
Impr
ovem
ents
(16)
Mob
ility
(3-6
) N
on-In
ters
tate
Fre
eway
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
(3-7
) U
rban
F(2)
F(2)
F(2)
F(2)
FF(
2)F(
2)F(
2)F(
2)F(
2)F
FF
FF(
2)F(
2)F
F F(
2)F(
2)F
FF
F(3
-8)
Rur
alF(
2)F(
2)F(
2)F(
2)F
F(2)
F(2)
F(2)
F(2)
F(2)
FF
FF
F(2)
F(2)
FF
F(2)
F(2)
FF
FF
(3-9
) H
OV
F(2)
F(2)
F(2)
F(2)
FF(
2)F(
2)F(
2)F(
2)F(
2)F
FF
FF(
2)F(
2)F
FF(
2)F(
2)F
FF
F(3
-10)B
ike/Ped.C
onnectivity
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
F(5
)(5
)(5
)(5
)(5
)(5
)(5
)(5
)(5
)(5
)
Safe
ty(3
-11)
Non
-Inte
rsta
te F
reew
ayF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
(3-1
2) I
nter
sect
ion(
1)F(
2)F(
2)F
F(2)
FF
FM
FF
FF
FF
(3-1
3) C
orrid
or(1
)(24
)M
(4)
M(4
)M
(4)
M(4
)F
F(17
)M
(4)
M(4
)M
(4)
M(4
)F
FF
FM
(4)
M(4
)F
M(4
)M
(4)
FF
FF
(3-1
4) M
edia
n B
arrie
rDE/F
F(20
)F(
20)
(3-1
5) G
uard
rail
Upg
rade
sDE/F
FF(
23)
(3-1
6) B
ridge
Rai
l Upg
rade
sF
F(22
)F
(3-1
7) R
isk:
Roa
dsid
eF
EU/F
FF
FF
F(3
-18)
Ris
k: S
ight
Dis
tanc
eF/M
(21)F/M
(21)F/M
(21)F/M
(21)
F/M
(21)
F(21
)F(
21)
FF
F(21
)F(
21)
F(21
)F/M
(21)F/M
(21)
F(21
)F
FF
(3-1
9) R
isk:
Roa
dway
Wid
thF/M
(21)F/M
(21)
F(21
)F(
21)F/M
(21)F/M
(21)F/M
(21)F/M
(21)
F
FF
FF(
21)
F(21
)F(
21)
F/M
(21)F/M
(21)
F(21
)F
FF
(3-2
0) R
isk:
Rea
lignm
ent
F(2)
F(2)
F(2)
F(2)
FF(
2)F(
2)F(
2)F(
2)F(
2)F
FF
FF(
2)F(
2)F
F(2)
F(2)
F(2)
FF
FEc
onom
ic D
evel
opm
ent
(3-2
1) F
reig
ht &
Goo
ds (F
rost
Fre
e)(8
)F(
2)F(
2)F(
2)F(
2)F
F(2)
F(2)
F(2)
F(2)
F(2)
EU/F
FB
EU/F
(26)
DE/F
DE/F
FF
EU/F
EU/F
EU/F
FF
F(3
-22)
Fou
r-La
ne T
runk
Sys
tem
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
(3-2
3) R
est A
reas
(New
)F
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
(3-2
4) B
ridge
Res
trict
ions
F(2)
F(2)
F(2)
F(2)
FF(
2)F(
2)F(
2)F(
2)F(
2)F
FEU
/F(2
6)F(
2)F(
2)F
FF(
2)F(
2)F
FF
F(3
-25)
Bik
e R
oute
s (S
hldr
s)EU/M
(7)
EU/F
EU/M
EU/M
BB
FEU/M
EU/M
FB
FB
EU/F
Des
ign
Mat
rix 3
: M
ain
Line
NH
S R
oute
s (E
xcep
t Int
erst
ate)
Figu
re 3
25-5
Chapter 325 Design Matrix Procedures
WSDOT Design Manual M 22-01.04 Page 325-17 January 2009
Not
App
licab
leF
Full
desi
gn le
vel.
See
Cha
pter
440
.MModifieddesignlevel.SeeChapter430.
B
Bas
ic d
esig
n le
vel.
See
Cha
pter
410
.F/
MFullforfreeways/Modifiedfornonfreew
ayD
E D
esig
n E
xcep
tion
EU E
valu
ate
Upg
rade
(1)
Col
lisio
n R
educ
tion,
or C
ollis
ion
Pre
vent
ion
(At-G
rade
Rem
oval
, Sig
naliz
atio
n &
Channelization).S
pecificdeficienciesthat
crea
ted
the
proj
ect m
ust b
e up
grad
ed to
des
ign
leve
l as
stat
ed in
the
mat
rix.
(2)Modifieddesignlevelm
ayapplybasedon
a co
rrid
or o
r pro
ject
ana
lysi
s. S
ee 3
25.0
3(5)
.(3)IfdesignatedasL/AacquiredintheAccess
Con
trol T
rack
ing
Sys
tem
, lim
ited
acce
ss
requ
irem
ents
app
ly. If
not
, man
aged
acc
ess
appl
ies.
See
325
.03(
5).
(4)
Full
desi
gn le
vel m
ay a
pply
bas
ed o
n a
corr
idor
or
pro
ject
ana
lysi
s. S
ee 3
25.0
3(5)
.(5)Forbike/pedestriandesignseeChapters1020
and
1025
.(6
) A
pplie
s on
ly to
brid
ge e
nd te
rmin
als
and
trans
ition
sec
tions
.(7
) 4
ft m
inim
um s
houl
ders
.(8
) If
all w
eath
er s
truct
ure
can
be a
chie
ved
with
spotdigoutsandoverlay,modifieddesignlevel
appl
ies
to N
HS
hig
hway
s an
d ba
sic
desi
gn
leve
l app
lies
to n
on-N
HS
hig
hway
s.(1
1) S
ee C
hapt
er 1
120.
(12)
Impa
ct a
ttenu
ator
s ar
e co
nsid
ered
as
term
inal
s.(1
4) In
clud
es c
ross
road
brid
ge ra
il. S
ee
Cha
pter
710
.
(16)
For
des
ign
elem
ents
not
in th
e m
atrix
hea
ding
s,
appl
y fu
ll de
sign
leve
l as
foun
d in
the
appl
icab
le
chap
ters
and
see
325
.03(
2).
(17)DEforexistingacceleration/decelerationlanes
whe
n le
ngth
mee
ts p
oste
d fre
eway
spe
ed a
nd
nosignificantaccidents.S
eeChapter940.
(18)
On
man
aged
acc
ess
high
way
s w
ithin
the
limits
of i
ncor
pora
ted
citie
s an
d to
wns
, City
an
d C
ount
y D
esig
n S
tand
ards
app
ly to
are
as
outs
ide
the
curb
or o
utsi
de th
e pa
ved
shou
lder
w
here
no
curb
exi
sts.
(1
9) T
he fu
ndin
g so
urce
s fo
r brid
ge ra
il ar
e a
func
tion
of th
e le
ngth
of t
he b
ridge
. Con
sult
prog
ram
min
g pe
rson
nel.
(20)
App
lies
to m
edia
n el
emen
ts o
nly.
(21)
Ana
lyse
s re
quire
d. S
ee 3
25.0
3(5)
for d
etai
ls.
(22)
Upg
rade
bar
rier,
if ne
cess
ary,
with
in 2
00 ft
of
the
end
of th
e br
idge
.(2
3) S
ee d
escr
iptio
n of
Gua
rdra
il U
pgra
des
Pro
ject
Ty
pe, 3
25.0
3(1)
rega
rdin
g le
ngth
of n
eed.
(24)
App
ly F
ull d
esig
n le
vel t
o pr
ojec
ts th
at re
alig
n orreconstructsignificantportionsofthe
alig
nmen
t.(2
6) S
idew
alk
ram
ps m
ust b
e ad
dres
sed
for A
DA
com
plia
nce.
See
Cha
pter
102
5.
Des
ign
Mat
rix 3
: M
ain
Line
NH
S R
oute
s (E
xcep
t Int
erst
ate)
Figu
re 3
25-5
(con
tinue
d)
