ML20235E173

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Intervenor Exhibit I-SC-31,consisting of 870308 Analysis of Traffic Vol & Evacuation Data for 7:00 - 10:00 Am at Intersection of Westbound Long Island Expressway Svc Road & Willis Ave
ML20235E173
Person / Time
Site: Shoreham File:Long Island Lighting Company icon.png
Issue date: 07/21/1987
From: Goldblatt R
AFFILIATION NOT ASSIGNED
To:
References
OL-3-I-SC-031, OL-3-I-SC-31, NUDOCS 8709280007
Download: ML20235E173 (9)
v • d • e


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1985 HCH: SIGNALIZED INTERSECTIONS PageB1tK!:iw

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j IDENTIFYING INFORMATION

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

'l NAME OF THE EAST / WEST STREET......... Westbound LIE service Road:

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NAME OF THE NORTH / SOUTH STREET.......Willis Ave.

AREA TYPE...........................

0THER j

l PEDESTRIAN WALKING SPEED............

0 (feet /sec)

NAME OF THE ANALYST..........

.......R. Goldblatt DATE OF THE ANALYSIS................ 3/8/87 TIME PERIOD ANALYZED................

0700-1000 OTHER INFORMATION:

30 percent evacuations 100 percent background TRAFFIC VOLUMES

==========================================================

EB WB NB SB LEFT 23 561 22,1 0

THRU 0

1107 830 761 RIGHT 23 227 0

202 RTOR 20 60 0

40 (RTOR volume must be less than or equal to RIGHT turn volumes.)

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INTERSECTION GEOMETRY

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NUMBER OF LANES PER DIRECTION INCLUDING TURN BAYS:

EASTBOUND =-1 WESTBOUND.= 3 NORTHBOUND'= 3 SOUTHBOUND = 2 EB WB NB.

8B LANE TYPE WIDTH TYPE WIDTH TYPE WIDTH TYPE WIDTH 1

. LR 12 0

'L 13.0 L

12.0 T

12 0 2'

12.0' T'

12.0' T

12 0 TR 12.0 3

12.0 TR 12.0 T

12 0 12.0 4

12.0-12 0 12 0 12 0 5

12.0 12 0 12.0 12 0' 6

12.0 12.0 I12.0 12.0 L

- EXCLUSIVE LEFT LANE T -- EXCLUSIVE THROUGH' LANE l

LT - LEFT/THROUGH LANE TR - THROUGH/RIGHT LANE

'l LR - LEFT/RIGHT ONLY LANE R - EXCLUSIVE RIGHT LANE i

LTR - LEFT/THROUGH/RIGHT LANE I

ADJUSTMENT FACTORS 1

==========================================================

GRADE HEAVY VEH. ADJACENT PKG BUSES

(%)

(%)

Y/N (Nm)

(Nb)

PHF EASTBOUND 0.00 0.00 N

0 0

0.67 WESTBOUND 0.00 6.00 N

0 0

0.99 1

NORTHBOUND 0.00 2.00

.N 0

0 0.69

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SOUTHBOUND 0.00 2.00 N

0 0

0.80 Nm = number of parking maneuvers /hri Nb = number of buses stopping /hr l

CONFLICTING PEDS PEDE9TRIAN BUTTON (peds / hour)

(Y/N)

(min T)

ARRIVAL TYPE l

i EASTBOUND 50 N

22.8 3

s WESTBOUND 50 ~

N 22.8 3

NORTHBOUND 50 N

14.5 3

SOUTHBOUND 50 N

14.5 3

l min T = minimum green time for pedestrians l

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SIGNAL SETTINGS - DESIGN ANALYSIS Page-3' j

manzzz=amanassamassamammm=mmuzzzassess===summmm=uszusassm=szammasamsam j

i ACTUATED

' LOST TIME / CYCLE = 6.0 CYCLE LENGTH = 90 0 l

EAST / WEST PHASING PHASE-1 PHASE-2 PHASE-3 PHASE-4 l

EASTBOUND LEFT X

l.

THRU X

L RIGHT X

PEDS i

WESTBOUND LEFT X

THRU X

i RIGHT X

PEDS X

NORTHBOUND RT SOUTHBOUND RT NORTH / SOUTH PHASING PHASE-1 PHASE-2 PHASE-3 PHASE-4 NORTHBOUND LEFT X

X THRU X

X RIGHT X

X PEDS X

X 4

SOUTHBOUND LEFT X

THRU X

RIGHT X

l PEDS X

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EASTBOUND RT WESTBOUND RT l

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EFFECTIVE GREENS l DESIGN ANALYSIS Page-4

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EFFECTIVE GREEN, g.

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EASTBOUND 1

LEFT

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Permitted 38.00 V

Protected

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THRU 38.00 RIGHT

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' Permitted 0 00 l

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Protected 38.00 s

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,j WESTBOUND i

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LEFT Permitted 38 00

,l Protected 0.00

( -)

THRU 38.00

' RIGHT

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Permitted 38.00 I ;i Protected 0.00' NORTHBOUND J

LEFT j

Permitted 33.00

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Protected 13.00 ' --

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THRU-46.00 J

RIGHT Permitted 5 00 l

Protected 0.00 SOUTHBOUND

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l LEFT

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Permitted 5.00 Protected 0 00 i

THRU 33 00 i

RIGHT

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's Permitted 33.00 2

Protected 0.00 1

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VOLUME ADJUSTMENT WORKSHEET Page-5 a =nzamm mas z=m s ses sa zz= m = = m a m anz z= = m zz s zza n=us======c = = = s u m an=s zz zz a zz a g

l LANE LANE ADJ.

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ADJ. LANE GRP. NO. UTIL. GROWTH GRP.

PROP PROP

.y VOL. PHF VOL.

GRP. VOL. LN FACT. FACT.

VOL.

LT RT i

EB j

i LT 23 0.67 1 000 TH 0 0.67 0

LR 39 1 1.000 1.000 39 0.89 0.11 RT 23 0.67 1 000 i

WB

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LT 561 0 99 567 L

567 1 1.000 1 000 567 1.00 0.00 i

I TH 1107 0.99 1118 TR 1286 2 1.050 1.000 1351 0.00 0 13 RT 227 0.99 1 000 h.,

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NB LT 221 0.69 320 L

320 1 1.000 1.000 320 1.00 0.00 l /,

TH 830 0.69 1203 T

1203 2 1 050 1.000 1263 0.00 0 00 RT 0 0.69 1 000 i

$.0 l 1 SB l.'j LT 0 0.00,

1.000 TH 761 0.80 951 TR 1154 2 1.050 1.000 1211 0.00 0.18 RT 202 0.80 1.000 J

  • Denotes a Defecto Left Turn Lane Group l

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SATURATION FLOW ADJUSTMENT WORKSHEET-Poge-6

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IDEAL ADJ.

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SAT. NO.

f f.

f f

f' f

f f

SAT.

-f FLOW LNS W

HV G

p BB A

RT LT FLOW I

1 3

EB..

195 LR 1800 1 1 000 1 000 1.000 1 000 1.000 1.000 0.882 0.123

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WB

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1800 1 1.030 C.970 1 ~.000 1 000 1.000 1.000 1.000 ' 0 843 1516

'TR 1800 2 1.000 C.970 1.000.1 000 1 000 1.000 0.977.1.000 3413-

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NB 3

L 1800 1 1.000 0.990 1 000 1 000 1.000 1.000 1.000 0 950 1693-l T

1800 2 1.000 0.990 1.000 1.000 1.000 1.000 1 000 1 000 3564.

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SB TR 1800 2 1 000 0.990 1 000 1.000 1.000'1.000 0.969 1.000 3455 i

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CAPACITY ANALYSIS WORKSHEET Page-7

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ADJ.

ADJ. SAT. FLOW LANE GROUP FLOW RATE FLOW RATE RATIO GREEN RATIO CAPACITY v/c (v)

(s)

(v/s)

(g/C)

(c)

RATIO EB LR 39 195 0.198 0.422 82 0.469 WB L

567 1516 0.374 0 422 640 0.885 TR 1351 3413 0 396 0.422 1441 0.937

  • NB Lperm.

86 Lprot.

234 1693 0.138 0 144 245 0.957

  • T 1263 3564 0.354 0.511 1822 0.693 SB TR 1211 3455 0.351 0.367 1267 0.956
  • Cycle Length, C = 90.0 sec.

Sum (v/s) critical = 0.8E5 Lost Time Per Cycle, L = 6.0 sec.

X critical = 0 948 b

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' LEVEL-OF-SERVICE WORKSHEET Page-8 l

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DELAY LANE DELAY LANE LANE DELAY LOS-v/c g/C CYCLE d

. GROUP d

PROG. GRP. GRP. BY BY RATIO RATIO LEN.

1 CAP.

2 FACT. DELAY LOS APP. APP.

l EB' LR 0 469 0.422 90.0 14 2 82' 3.0 0.85. 14.7 8 14.7 B 6B L

0.885 0.844 90.0 18.2 640 9.9-1.00 28 1 D 24.8 C TR 0.937 0.422 90.0 '18.9 1441 8.7- 0.85 23.4 C l

NB L

0 957 0.511 90.0.16.0 245 33.3 1.00 49.3 E 19.1 C T

0.693 0.511 90 0 12.7 1822 0.8 0.85 11.5 B SB TR 0.956 0 367 90.0 21.1 1261 11.8 0 85 28.0 D 28.0 D

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Intersection Deloy = 23.6 (sec/veh)

Intersection LOS = C l

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