HomeMy WebLinkAboutPINE RIDGE SUBDIVISION - PRELIMINARY - 3-87B - SUBMITTAL DOCUMENTS - ROUND 1 - TRAFFIC STUDY. a � �
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Fram: Mat t L�e 1 i ch
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C?ate: January 5, 198?
�ubjeet: Traffi� im�+ac# �n�ly�sis for Pine Ridqe =ingle
fami ly re=•identiai
Thi� me.mCrandum �d�resle=_. specific #raffic cancerns
�f the For t Col 1 i r�� Traff i c Eng i neer i ng C�e�+ar tmen t
related to the Pine P.idqe dewelopment. Pine Ridge i=
1 ac�ted i n =.au th For t Col 1 i n=_: an the e�=.# = i de of Lem�y
apprc�r. i mate 1>• one mi 1 e sau th of Har•mony Ro�d. �pec i f i c
concern=. addr•essed i n th i s me�morandum ar�e :
- The impacts af �1 1 c��•�i ng the e>ri �t i ng church
acce�= ta t+e �faidened ta a 36 faQt �+ual ic �:treet
ta acce�.s the 21 1 ats c�f Pi n�e Ri dqe .
- �ig�ht dis#a.nce at the prc�posed publ ic �treett
Lemay A�,�en��e i n tersec t i on .
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Pi ne� P,i dge i s ��r•a�osed si ngl e f�mi l y detached
resicien#ial area �aith 21 d4ti�e11ing units. Figure i shaua=_•
a schem�t i c of the =_.tree t l ayau #�►r�opose.d �nd the
intended �ccess p�int ►�rith Lemay Avenue. Tri�+ genera-
t i c�n acct�rdi ng to the ITE Tr i Q Ge�nerat i on Manual i s:
A�.�erage 4Jeekdar 'Jeh i c 1 e Tr i� End� - 210
AP1 Peak In - 4
At`�t F'e aK C1u t- 1�
F�ht Pe� ak I n - 13
PM F�e�K Qut - �
Tr• i p cii �t� i 6u# i cn fc�r the �hart r�nge future { i.�'88)
i= es#ima#p�l �t '�C� per•cent ta.'from the north and lt1
percent to/frc+m the �cuth. TriR dis#r�iautian far the
l�ng ra.nge future (20Qr7 is estima#Qd at 8Q percent
#n/�r•c�m the nartF� �nd �0 percent to/from the south.
F i gur•e 2=_�hay.�� the shor• t range a.ss i gnmen t of P i ne
P,i dpe tr• i p=• and #he bacl:grc��nd #r�ff i � at the pro�c+�ed
�+ubl i c =�tree #iLemay �1�,�enue i n tersec # i on . Church re l ated
traff i c 4�aas e=_.t irr��teJ b�=_.ed ��pon a pr i n ted r�ass
=chedul e. L�ckqr�cund traff i c on Lemay A��enue w�as
est ima#ed from the �al! Ri d�e P��C? Tr�ff i c Impact Study,
Septemt�er 1984. U�.i ng the traff i c shc�.�n i n Fi gure 2,
tfie �:ey i r� ter•sec t i c�n aper��te� accep t�t�t y wi #h �tap s i gn
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con tral a=. sha4vn i n F i gu�e 3. Cal cu 1�t i on fc+rms �re
pro�� i ded i n t��+pencii r. A.
F i gure 4 shcu��= the 1 ang range as= i gnmen t af Pi ne
�:idge tri�s and h�ck�raund #raffie �t the proposed
puhiic s#reet/Lema.y ���enue intersectian. Using this
#r�ffic, the key intersection aper•�tes aa indic�ted in
Figure 5 with �t�p� sign cantral. Caicolatian farms are
pro�,� i ded i'n Appensii x B. 4Ji th stop si gn cantrol ,
cpEra# i c+n i s. acceptabl e e:scept fcr• 1 ef t-turn e:�: i#s frcm
this access. Pra��ision af sep�rate riqht- and left-torn
1�ne.=. ��i 1 1 canf i ne #he del �ys to ,iust tho4e desi r i ng #C
tur•n left. 8ince most of Fort Gc�llins lies ta the north
c�f this acce=.s, the delaYs will be experienced 6y a
minimal number of �Jehicle=.
It i=_. premature to eU�luate sipnal progressian an
thi� section of Lemay A�renue, since �.ignals �re not
ant i c i pated i n #h i= ar•ea far � number of year�. Si gnal s
north and sc�uth af this access �,a�uld 1 il;et>r create g�ps
i n the Lemay� A��enue traff i c 4��h i ch wau 1 d imp���o�,�e th�e
aperat i cm of the 1 ef t-turn er, i ts fr�m th i s access: to
Lema>� r��enu� .
Gorner =_;i ght di stan��e wa= e�1a1 u.�ted �t #he acce�s
ta Lemay Avenue. It i= de�fined as the distance mea�ured
fr•am � pcint c�n a minor ra�d, paraltet to the roadwaY,
15 feet from the edge of the majar road pauemerrt, and
from an eye heiqh# af '�.54 feet c�n the minc+r raad ta a
heiqht c+f �n c�bject af 4.25 feet c�n the ma,1Qr ra��d.
Since Lem.�y A4�enue i� classified �s an artprial, a
corn�r =_.ioht di=tance of 500 feet ��as u=ed ��e=ion
Cr i#er i a and Stan_dar•.ds f.oc Stre.e_t= , For• t Col 1 i ns, Ju 1 y,
1�'�SE? . To ttie �:outh, ai ght di stance i s i n er.cess of
�QQO feet. To #he narth, field mea�urement�.w�ere taken
u,�hich indicate a�ight dist�nce af S50 fee# due to a
ver•tical eur��e. Bath cf the�e exceed the requirement�
stated in the Fort G�llins design criteria. It is
ccncluded #hat this access is �uitably lQcated.
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PINE �ZIt�GE SITE PLAN
F1CUR� I
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LONG RANGE PEAK TR�FFIC
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SNORT RANGE PEAK DPERATl4t�
F^IGURE 3
LoN� RaN�E PEAK OPER�TIoN
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UF 7=
LOCACION:
lIOURLY VULUME.S
� � M.ajor Street: �b'/�i/Q � N
O
N = �] 4_ Vg L�`o
Grade � Vi _.� V� ,L[�
_� s' v, � N - C1
, --�-� � -
v, v,
Uate of Counts: �� O S'IDI'
Time I'eriod: — — O YIELU
Average Runriing Speed: N = �
Minc�r
Street:
r> >r: Grade `Yo �
VOLU111E AUJUSi�11REN�IS
I�lovement No. I 2
Volum.e (v�h)
Vc�l. (rc�h), see'l�ble 10-1
SI�EP 1: RT from Mtnor Street
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NAME:
VOLUMES IN i'C_I'N
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V 2 0
l70 V2_� � V� 20
�`_V�... �
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� v, v9
5'� �
3 � 4 I 5 I 7 I 9
2 3o I S
Conflicting flow, V�
Crifical Gap, T� , and I'otential Ca�acity, c�,
Actual Capacity, c,„
S�rEI' 2; LT Erom Major Street
Con(licting flow, V�
Critical Gap, T� , and I'otential C�pacity, c�
i'ercent o( c�, Utilized and Impedance Factot (fig. ]0-5)
Actual Capacit}; c,„
S"I�EP 3: L7 From Minor Street T—
i o � s-a 5— -z. a
2,0 S�- � 5-�
i' V9
1/2 V3 + V� = 3+ z 3v = Z�� vPh (��9) ���
7� = �s �ec (Table ]0-2) c�,9 =�5� pcph (Fig. 10-3) � `��
cni9 = cP9 =�5� P�Ph � /�
- Y V�
V, -+- Vz = S-�-� � 0 = Z 35 Ph (���) I_1 S
T� _ ���`- sec (Table ]0-2) c�,� = �'��+cph (Tig. 10-3) 9 � S
����cr�) X l00 = �' Z P' _ � • [ � Z ' L" P�'q �
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�m� _ �P, — � pepti � l 5
� - -.-- � V,_
Conflicting I�Iow, V� � �2 v,+v2+v,+v, = 3 +Z �� + � +' `�� = 3� 3 �pt, �v�,) � �
Critical Gap, ?� , and Potential Capadty, cP 7� = 7�-D sec (�'able 10-2) cp, =�� � pcph (Fig. 10-3) 4-��
Actual Capaclty, cm e,„, = c�,, X P� = X = 5�5 p ph �-S l
SIIARED-GANE CAPACCTY
htovement No.
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S}� _ / /
1V7�Cm7� + lV9I�m9�
)}t� �m l C tl� CSH � C�1�
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LOCAIlUN:
IIOURLY VULUl�9ES
A� Major Street:__ C�.L—'�iA i O N
N = [] • us,�%ti
Grade S`.,5� V2 ,_ V� �f7
—°� � V3 � 1 � N = 0
,
V, V9
D�.te of Counts: �i C7 S Tl'7I'
Time Period: — O YIELU
Average R.��nning Speed: N =[�
Minor
f'l iF: Grade �/o �-CGC3`�
WLU119E AUJUSI�hiEN�I�S
Movement No. 2
Uolume (vp1�) ��''. ',��,-`,Z,j
Vql, (}�cph), see 'i'able 10-1
SZ EP 1: Rr frvm Mlnor Street
Conflic(ing Flow, V�
Ctitica) Gap, T� , and Potential Ca}�acity, c�
Actual Capacity, cm
SIEP 2: L7 from 11�Iajor Street
Con(licting Tlow, V�
Critical Gap, T� , and Potential Capacity, c�,
i'etcent of c� Utilized and Impedance Factor (Fig: 10-5)
Actual Capacity� Cm
Sl-EP 3: LT From Mlnor Stteet �
�
NAME;
VOLUMES IN TCI'I�
�r,
��0 � �s _ � 0 3 0
� : —9.- V� z- v
�V� ��
� V� �9
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`� 7 f� �...
5�-
10-37
9
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� S�
i^ V9
��z v, + v� _�+� �ra= ss � �ph c��9� 7� 3
T� = S. �ec (Table 10-2) c�i9 = ��ph (fig. 10-3) `� �Sr
�..
�m9 _ �P9 _ � ��p�ph � �� `
( --
f V� _-
V, + V� _ _`,z + ..�.�`�'2�= 5�";���Ph (��,) � / S..-
T� =5 •� sec (�I'able 10-2) c�,� _�$� pcph (Fig. 10-3) � S�
����c��) X 100 =�L P� _ �'�� �. Z 0.97
�m1 - �pl - ��Ph �%' � S
V,
Con(licting Tlow, V� 1/2 V��-V=-1-V�-�V� = 3-{-SS�_}. �O �{-Jr7�= ��vph (V��) `7�v�%
Critical Gap, T� , and I'ot.e.ntial Capacity, c�, 7� _?� 5 sec (�i'able 10-2) cp� _% pcph (Fig. 10-3) 5��
Actual Capacity, cm cm� — cn� X f�= X =�Z �cph ��
SilARED-LANE CACACCTY
v� -+- v9 i( lane is shared
s}i= /
�V7��m7I �� \V9ICm9�
Movement No.
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