dallas-fort worth regional transportation study summary of ... · the purpose of making traffic...

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Sfta.~es (TK)

DALLAS-FORT WORTH REGIONAL TRANSPORTATION STUDY

SUMMARY OF DEVELOPMENT OF TRAVEL DEMAND MODELS

In 1977 the decision was made to develop and validate travel demand models for

the purpose of making traffic projections for the years 1990 and 2000.

In order to accomplish this task it was necessary to develop maps depicting the

1977 system of freeways and major thoroughfares. Using this system, census tract

lines and the survey zones developed in 1964 for the origin-destination surveys,

1938 internal serial zones (traff,ic assignment zones) were delineated. This work

was accomplished by the Regional Planning Office staff in Grand Prairie.

Over 6,000 traffic counts were made on the major thoroughfare system. The counts

were for 24-hour week day periods and made by the Cities of Dallas, Fort Worth,

Arlington, Hurst, Richardson, Plano, Garland and Mesquite and by the Transportation

Planning Division.

Socio-economic data (planning variables) were gathered for each of the 1938 serial

zones. The socio-economic data furnished included population, number of dwelling

units, mean family income in 1969 dollars, basic and non-basic employment. Those

data were obtained by a cooperative effort of North Central Texas Council of

Governments, the Cities involved and the Regional Planning Office. In addition,

the Regional Planning Office furnished the necessary planning variables for the

following special generators:

Elementary, Junior High and High Schools (No. of employees and students)

Colleges and Universities (No. of employees, total students and No. of students 1 iving on campus)

Hospitals (No. of employees and beds)

Country Clubs - Golf Courses (No. of employees)

All major Airports (No. of employees and deplaning passengers)

Military facilities (Civilian employment, assigned personnel and personnel living on base)

All of the necessary planning variable data was furnished the Transportation

Planning Division in August, 1979. The next several months were spent in

checking the validity of these data. Table A summarizes these data.

The models developed and a brief explanation of the mechanics pertinent to their

development are shown below:

Auto Ownership

The term 11Autos 11 refers to all personal use vehicles. These models estimate the

number of households (D.U.) having 0, 1, 2 and 3 plus autos for each trip production

rate group.

Trip production rate groups were correlated primarily to mean family income expressed

in 1969 dollars. A high percentage of multi-family housing was also a factor used

to determine the trip production rate group for each zone.

In order to provide a more accurate estimate, the study area was divided into three

areas. These area delineations and the incomes associated with each trip production

rate group are defined on Table C.

The development of these models were based upon the seven origin-destination survey

conducted by SDHPT during the 1968-1970 period and a small sample survey conducted

in Corpus Christi in January- February, 1977. However the Dallas-Fort Worth Urban

Area citizens survey conducted in 1977 by NCTCOG was used most extensively to update

the 1968-1970 survey data.

Refinements to the models were made based upon analysis of model output and the

actual registration figures furnished for Dallas and Tarrant Counties by the Motor

Vehicle Division of SDHPT.

The final models are shown graphically in figures 1, 2, 3 and 4. The models results

are shown in Tables B and C.

2

Vehicle Trip Production

These models estimate the total number of internal auto-driver trip productions

for each zone. The trip production rate group and the number of households

having 0, 1, 2 and 3 plus autos for each zone is input to these models. Previously

conducted surveys by SDHPT were the basis for developing these models.

In order to obtain more accuracy, the study area was subdivided into four areas.

(These are defined on Table D.)

The models used are shown graphically in figures 5, 6, 7 and 8 and in tabular form

in Table D. The results of these models and vehicle trips by purpose models are

shown in Table E.

Vehicle Trips by Purpose

Internal auto-driver vehicle trips by purpose models estimate the percentage of

the trip productions in each zone that will be home based work (HBW), home based

non work (HBNW) and non home based (NHB).

Those estimates are based upon the trip production rate group for each zone. The

model is shown graphically in figure 9 and in tabular form in Table F. The model

results are shown in Table E.

Trip Attractions

Vehicle trip attractions were developed using a trip rate for each purpose including

commercial use truck trips for each category of employment and for each dwelling unit.

The study area was subdivided into generation areas, each area with a different rate

structure. The area delineations and the trip rates were based upon the 1964 origin

destination survey and refined during the modelling process as deemed necessary.

Total trip attractions for each purpose were scaled to equal the total trip productions

for that purpose. Results of these calculations are also shown on Table E.

External Trips

External trips are defined as those trips having at least the origin or destination

outside the study area.

External local trips are those having only the origin or destination outside the

study area. External through trips have both the origin and destination outside

the study area.

The estimation ·Of these trip interchanges were based as far as possible upon the

1964 origin-destination survey.

The external trips were first divided by local and through trips. Local trip volumes

at each external station to each of 49 internal sectors were estimated manually and

fed into an external distribution computer program. This program estimates the

station to zone interchange based upon the relative attractions of each zone within

the sector.

The external through trip matrix was developed manually using the 1964 survey directly.

Summary of these results are shown in Table E.

Trip Distribution

The distribution of the generated trips was accomplished using a newly developed

technique commonly called the Atomistic Trip Distribution Model. 1 (See footnotes

at end of this Section on Trip Distribution.) This technique was used rather than

the Texas Trip Distribution Model because of its ~uperiority in handling large zones

common to sketch planning and a mixture of very small and very large zones common

to subarea focusing. The need for a superior distribution model for sketch planning

and subarea focusing is documented by research done by Texas Transportation Institute

(TTI).2

4

The Atomistic model requires an input of the trip length frequency curve for

each purpose. To provide average trip lengths, data from twenty-eight Texas

origin-destination surveys were analyzed. Plots of the average trip lengths

by Urban population for each trip purpose were produced. Best fit curves were

then produced. From these curves an average trip length for each purpose was

estimated. Using a curve fit model developed by TTI3, the trip length frequencies

were obtained.

The trip length frequency distribution for each trip purpose is shown in Figures

10, 11, 12 and 13.

One of the sailent factors of both distribution models used in Texas is their

ability to balance trip length frequencies and trip attractions simultaneously.

Table G shows the results of trip length balance and the intrazonal trips

produced by the model.

Table H gives an indication of attraction volume balance for HBW trips. For example,

1,217 of the 1938 zones were balanced within 5% of the desired attractions. Only

one zone with an attraction volume greater than 5,000 failed to balance within

plus or minus 1%. Tables I, J and K show simular information for HBNW, NHB and

TKTX trips.

Table L shows the accumulated attraction balances by sector for HBW trips. (This

sector structure along with other sector structures will be displayed for the

benefit of those wishing to see them.) Table M, N and 0 show the same data

for HBNW, NHB and TKTX trips.

Footnotes

1. Benson: 11A Spatially Disaggregate Trip Distribution Modeling Technique'' TTl Report 0194-4

2. Benson, Teniente, Zipp: 11 An Analysis of the Effects of Zone Size in the Trip Distribution Modeling Process. 11 TTl Report 0194-3

3. Benson, Teniente: 11An Improved Model for the Estimation of Trip Length Frequency Distributions.'' TTl Reoort 01g4-S

Traffic Assignment

The traffic assignment mirrors all of the input developed previously and as

such presents a composite of the results of the models.

A traffic assignment technique using existing Volumes as a restraint was used.

Several summary and analysis techniques wer~ used to determine the ability of the

developed trips to match the existing travel patterns as portrayed by the ground

counts.

One such summary Is shown In Table P. Here vehicle miles of travel by super- sectors

are shown along with other pertinent data that can be used to analyze future assign-

ments.

Summary I

This repdrt is intended to be presented in an informal manner to see if all concerned

agree the models are valid and will be useful for predicting traffic.

In addition to data presented in this report numerous displays too large to be

incorporated herein will be available at all meetings. These and the supportive

computer outputs will remain on file at the Regional Planning Office for a more

detailed study.

Included in these will be the actual traffic assignment maps and a map showing 92

traffic corridors.that were preselected. These corridors will show counted volumes,

assigned volumes and the percent assigned of the counted.

The travel demand modeling staff of the Transportation Planning Division feels that

good models will be best represent 70 to 80 percent of the trips being made. As

analysts, It Is our task to determine where those trips are that do not fit the

general models, quantify them and make the necessary refinements in our models

to insure their Incorporation into the travel patterns of the urban area. This

we have tried to do using our judgement based upon our years of experience.

70

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60

DALLAS- FORT WORTH REGIONAL TRANSPORTATION STUDY

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DALLAS- FORT WORTH TRANSPORTATION STUDY 1977 TRIP LENGTH DISTRIBUTION CURVE

HOME BASED WORK

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Figure 13

Dallas-Fort Worth Regional Transportation Study

Planning Variable Data Items

Data Item 1977 1990 2000

Population 2,375,734

Owe 11 i ng Units 877,122

Persons/DU 2.71

No. of Autos 1,516,218

Autos/DU 1.73

Autos/Person 0.64

Mean Form Income~~ 11 '352

Non-Basic Employee 667,010 % of Total 54.15 Empl/Pop. 0.28 Empl/DU 0.76

Basic Employ~e 504,423 % of Total 40.95 Empl/Pop. 0.21 Empl/DU 0.58

Other Employees** 60,383 % of Total 4.90 Empl/Pop. 0.03 Empl/DU 0.07

Total Employees 1,231,816 Empl/Pop. 0.52 Empl/DU 1.40

* Expressed as 1969 dollars ** Includes Educational, Hospitals, Golf Courses and Country Clubs

Table A

Count:t

Da 11 as Tarrant

County

Co 11 in~·: Dallas Denton~':

E 11 is~·: Johnson~~

Kaufman~·:

Parker~~

Rockwe 11 ~~ Tarrant

TOTAL


Comparison of Registered and Modeled Personal Use Vehicles by County

1977

Registered Auto Reg. Personal Use Trucks

840,825 101,447 442,605 64,229

Personal Use Vehicles by County (Mode 1)

Vehicles No. of DU Population Veh./DU

44,084 21,815 69,263 2.02 ~28,339 542,516 1,465,966 1. 71 25,358 13,292 38,553 1. 91 5,475 2,950 7,809 1.86 9,228 4,769 14,936 1.94 1 ,870 1 , 188 3,336 1.57 2,061 1 , 315 3,619 1. 57 4,861 2,740 7,613 1. 77

494,942 286,537 764,634 1. 73

1,516,218 877,122 2,375,734 1.73

Total Veh.

942,272 506,834

Veh./Person

0.64 0.63 0.66 0.70 0.62 0.56 0.57 0.64 0.65

0.64

* Includes only that portion of the county within the intensive study area.

Table B

Model Veh.

928,339 494,942

Person/DU

3.18 2.70 2.90 2.65 3.13 2.81 2.75 2.78 2.67

2. 71


Autos per Dwelling Unit by Trip Production Group (Income) and By Geographical Area

Trip Production Rate Group~·,

Subtotal

II

Subtotal

Ill

Subtotal

IV

Subtotal

v

Subtotal

TOTAL

Area~·,~~

2 3 4

1 2 3 4

1 2 3 4

1 2 3 4

1 2 3 4

D U ~·, ~·, ~·,

4,597 (Merged with

19,400 (Merged with

23,997

26' 169 2,352

51 '711 5,496

85,728

79,592 20,932

133,799 16,613

250,936

112,381 24,534

178,884 38,487

354,286

28,870 19,265 95,266

7,696

Autos~·,~·,~·:

3,678 Area I) 15,323 Area 3)

19,001

30,870 2, 774

58,430 6,210

98,284

124,953 33,908

202,020 25,090

385,971

222,553 50,304

341,672 73,509

688,038

62,648 42,964

202,922 16,390

151,097

866,044

324,924

1,516,218

Autos/DU

0.80

0.79

0.79

1. 18 1 • 18 1 • 1 3 1. 13

1. 15

1. 57 1.62 1. 51 1. 51

1. 54

1.98 2.05 1. 91 1. 91

1. 94

2.17 2.23 2. 13 2. 13

2. 15

1. 75

•': Trip Production Rate Groups: I = $4,000; II - $6,000; Ill = $8,500; IV= $12,500 v ::: $18,000

**Area I -Tarrant and Fringe Counties less Arlington and Plano Areas Area 2- Arlington and Plano Areas Area 3- Dallas County less Grand Prairie, Garland and Irving Area 4- Grand Prairie, Garland and Irving

*** These data exclude special generators Table C


Vehicle Trips Per Dwelling Unit by Trip Production Rate Group (Income) and By Autos Owned and Geographical Area

Area 1 Area 2 Area 3

Group I 0 0.1 0. 1 0. 1 1 2.4 2.4 2.0 2 3.4 3.4 2.7 3+ 4.2 4.2 3.3

Group II 0 0.1 0. 1 0. 1 1 3.8 3.9 3. 1 2 5.1 5.2 4. 1 3+ 6.3 6.4 5.1

Group Ill 0 0.2 0.2 0.2 1 5.2 5.4 4.2 2 7. 1 7.3 5.9 3+ 8.9 9.0 7.2

Group IV 0 0.2 0.2 0.2 1 5.7 5.9 4.7 2 8.3 8.5 6.8 3+ 10.5 10.9 8.7

Group V 0 0.2 0.2 0.2 1 5.9 6.2 4.9 2 8.5 8.8 7.1 3+ 10.8 11 • 2 9.0

Area -Tarrant and Fringe Less Arlington and Plano areas Area 2- Arlington and Plano Areas Area 3- Dallas County less Irving, Grand Prairie and Garland Area 4- Irving, Grand Prairie and Garland

Group I - Mean Income = $4,000 (1969$) Group I I - Mean Income= $6,000 (1969$) Group I I I - Mean Income = $8,500 (1969$) Group IV - Mean Income = $12,500 (1969$) Group V - Mean Income = $18,000 (1969$)

Table D

Area 4

0. 1 2.0 2.7 3.3

0. 1 3.9 5.3 6.6

0.2 5.4 7.5 9.2

0.2 6.0 8.6

11.2

0.2 6.2 8.9

11.5

Data Item

HBW Trips Productions % of Total Per DU Unsealed Attr. Scale Factor

HBN\.J Trips Productions % of Total Per DU Unsealed Attr. Scale Factor

NHB Trips Productions % of Total Per DU Unsealed Attr. Scale Factor

Total Internal A-D Production Per DU

TK-TX Trips Productions Attractions Scale Factor

External Local External Thru Total External Total Trips


Trip Generation Data

1 , 1lf7, 1 82 20.6 1. 31

1,181,333 0.9690

2, 720,840 48.9

3.10 2,767,293

0.9811

1 ,697,201 30.5

1.93 1,693,753

1 • 0021

5,565,223 6.34

662 '971 646' 101

1 • 0264

278,817 11 '1 70

289,987 6,518,131

Table E

2000


Per Cent Trips by Purpose by Trip Production Rate Groups

Trip Production Income % of Total Trip by Purpose Rate Group (Mean) HBW HBNW NHB

$4,000 20 55 25

II $6,000 24 51 25

Ill $8,500 22 51 27

IV $12,500 20 49 31

v $18,000 20 45 35

Table F

Da 11 as-Fort Worth Regional Transportation Study

Trip Distribution Data

1977 Data Item Desired Resultin9

Trip Length Sums (Min)

HBW 17.76 17.77 HBNW 10.61 10.66 NHB 11.39 11.39 TKTX 12.32 12.32

Intra Zonal Trips

HBW Total 18,605 % 1.62

HBNW Total 149,147 % 5.48

NHB Total 87,230 % 5. 14

TXTK Total 35,979 % 5.43

Table G

DESIR 0 0 4TT~ACTIC~ RANGES

-------------------o.n

0.1 - . o.9 1.n 9.9

10.0 - ?4.9 2"i.(l - 4q.9 51')~ 0 99.9

lC)<l.O 1Q9.CI 200.'J - ?qq.q :on.o )9'1.9 !..Ofl.n -.qq. 9 5!10.0 - 599.9 tr)O., 0 - 699.9 7()0.!) - 799.9 8C!~.n eqq.q r::no.o - G99.9

~r.-J0.0 - 1<199.9 2 fjO:) • 0 2G99.9 3000.0 - 3q9Q.9 4000.0 - 4Cj99.9 5·100.0 r;qqq.q 60f)O.O - ~c;qq.g

7()')0.0 ?c;qq.q flOOO.(J - flq'}q.q 9()()0.0 - qc;qq .q

li'J·)·Jn. 0 ANO AenvE

Tr:T Al

ATTRACTION VOLUME BALANCE SUMMARY IIT~RATIC~ 51

CRCSS CLASSIFJCdTJCN OF ATTRACTION ZON~S 8Y DESIRED ATTRACTIC~ VOllJM~

AND PERC=NT ERROR OF RESULTlNG ~TTRACTIO~ VCLU~E-

1977 HBW PEPCr:NT ERROR

I---------------------------------------------------------------------------------------I I -7'5 -50 -25 -10 -5 -1 0 0 1 5 10 2< 50 75 1UO l I TC TO TO TC TO TC TO TC TO TC TO TC TC TC AND I I -100 -100 -75 -50 -25 -10 -5 -I 0 1 5 10 25 5C 75 100 ABOVE I TOTAL l ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- I I 212 I 212 I I

,, I !t 7 4 26 25 1! 31 33 6 2< 12 13 •l I 279

I q 21 29 16 2 1<! I 5 11 20 21 10 4 2 I 163 16 26 14 11 4 6 10 25 H 2 I 1311

2 ·z-t 27 15 6 20 21 '30 7 I I 150 18 26 24 8 6 37 26 24 ' 169

4 17 31 9 B 29 29 5 I 13'2 \5 36 12 4 33 8 I 1 .. , Q

4 ~B 1 12 32 4 ! ~1

3 25 13 4 23 4 I 72 4 20 10 q 17 1 ! 6' I 24 9 q 24 I I 68

14 !0 7 12 I I 44 B It 1 10 I 36

' 35 48 34 38 I 155 I 5 11 26 3 ! 51 I I 15 1 1 I 24 I I 5 6 I 12 I I 6 3 I 10 I 4 I I 5 I 7. ! 2 I 5 1 I 6 I 12 2 ! 14 I 12 2 ' I~

1----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----·---- ---- ---- ---- ------f 47 5 35 64 110 127 281 254 246 146 290 11f llO 74 25 17 44 lq91

Table H

ATTRACTION VOLUME BALANCE su••ARY l !TERATIC~ 51

CRCSS Cl4SSIFICATION OF ATTRACTTrN ZG~JES BY CESIREO ATTR6CTICN VCLU~~ ANC P~RCENT ERROR OF RESULTING ATTRACTION VOLUME

1977 HBNW PERCENT ERROR

I---------------------------------------------------------------------------------------1 I -75 -50 -25 -10 -5 -1 0 0 1 5 10 2~ ~0 75 100

lESJR::O I TC TO TC TC TO TC ro TO TO TC TC TC TC TC ANO I ATTRACTifN RANGES I -100 -100 -75 -so -25 -10 -5 -1 0 1 5 10 25 sc 75 100 ABOVE I ""OTAL

------------------- I ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- I 0 .i'! I 95 I 95

0.1 - <) .o I I ()

lo n 9.9 ( 31 2 16 31 8 19 ~- 9 18 12 18 8 28 I 212 10.0 - 24.9 I 1 10 30 7 2 7 8 3 II 17 24 8 I ( 129 25.0 - 49.9 ( 8 23 I 7 5 3 2 12 5 28 5 1 1 ( 110 so .. ) - 99.Q I I 26 19 21 5 :a 18 C7 2 I 137

100 .a 199.9 I 7 24 24 14 7 27 30 16 I ( ISO 2!'\'1."1 299.~ I 10 23 8 2 27 20 2 ( 92 ~()!),.() ?99.9 ( 2 7 24 5 2 6 26 14 1 ( 87 :.rtu. o - t.qo.q ( I 4 23 2 9 26 II ( 76 ~..,,, .n - ':99.9 ( 3 13 2 1 10 25 3 I 57 600.0 - t;99.9 ( 2 1 l 6 12 27 2 I 60 70J.O - 7'19.0 ( • I 3 16 3 ( 32 BDO.O ~99.9 ( 2 17 6 4 17 1 I 47 qrlfl.O C:99.0 ( I 11 2 5 18 I 37

100J.O - ._ <;QQ .o I I 93 38 I• 9i) 4 ( 245 2'JI){l.(t - 2C:99.9 I 60 10 17 61 ~ I 151 3ono.o - }c;99.9 I 33 9 14 '2 4 ( 102 4COO.O - 4~99 .. 9 ( 22 3 10 14 ( 49 5fil'll).'1 ssqg.g I 17 3 2 15 I 37 6oon.o ~S99.') I 8 I 2 5 I !6 ?COt'}.•) 1sqc;.q I 7 3 3 4 I 17 8\111).(} ES99.9 I 4 I I 5 ( II 9000 .o <;<;99.9 ( 22 6 6 8 ( 42

toooo.o A~D Aenve I 22 6 6 g I ~2

(----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------I TCTAL 31 2 17 52 97 97 449 154 127 132 486 125 109 44 27 10 28 190!

Table I

ATTRACTION VOLUME BALANCE SUM~ARY !ITERATIC~ 51

~RCSS CLASSIFICATION OF ATTRACTION ZONES eY CESIRED ATTRACTICN VCLU•E INC PFRCENT ERROR OF RESULTING ATTRACTION VOLU~E

1977 NHB PERCENT ERROR

1---------------------------------------------------------------------------------------l l -75 -~0 -25 -10 -5 -I 0 0 l 5 10 2~ •o 75 Wu

9ES !REO l TC TO TC TC TO TO TO TO TO TC TC rr TC TC AND l ATTRACTICN ~AN~ES I -100 -100 -75 -50 -25 -10 -5 -I 0 l 5 10 25 50 75 100 ABCVE I TOTAL

------------------- l ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- l o.o I 109 l 109

0.1 - o. 9 I I 0 l. 0 o.9 I 36 2 14 ~4 22 51 II 22 19 • "4 T 259

10.0 - ?4.9 I 6 19 27 8 2 8 2 5 18 21 A 3 b I 133 25.0 49.9 I l 9 ~3 8 10 7 5 8 35 I ~ I !29 ~O.'l - qq.q l 2 39 23 :o :a 22 16 25 ~ l 159

100.0 - lq9.9 l 14 31 46 1 8 5 17 30 15 l 169 200.0 2';19.9 I 4 20 28 7 3 4 29 ll 4 I llO 30f).fl - ~.99.Q I 15 27 5 4 12 31 5 ! qq !o(hl.O - 499.9 ! 4 30 7 I q 17 2 l 70 5=l'l.'l - 1)99.9 I 3 26 7 I 7 10 3 I 57 bO!l.O - tQc;.q I 2 21 10 12 15 I f,O 700.~ - 79Q.q I 20 7 l 1l 15 I ! 55 'V'IO. 0 - 999.9 I 12 6 2 7 18 I 45 '100.1') - c;qq•Q I 23 14 l 4 14 ! 56

l 000.0 L<;Qq.o I 95 62 2 '•8 57 ! 264 21J0').:l - 2~Qq.g I 29 25 l 23 16 I 04 31)1)0.0 - ;c;qq.q l 12 10 24 8 I 54 4COO.O 4~99.9 I 3 2 6 4 I 15 5"''1"'1 .1 - 5~99.9 l 2 2 5 3 I 12 6000.0 f::S99.Q I 2 I 3 2 I B 7C·)O.fl 7S99.9 I l 2 2 4 I a enoo.n - 8<i99.Q I I l 2 3 I 7 qooo.n QCjQQ.Q l 2 4 12 ! 18 l000 1l~O ANn AeDVE I 2 4 12 I 18

1----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------1 Tr:Tlt.L 36 2 21 ~4 13~ 114 408 173 210 188 304 81 108 5~ 27 7 50 1 qo1

Table J

ATTRACTION VOLUME BALANCE SU~~ARY CtTERATIC~ ~)

CRr~s CLASSIFICATION OF ATTRACTICN ZCNfS ev CESIRED ATTRACTICN VCLU~E AN~ 0 ERCENT ERROR OF RESULTING ATTRACTIO~ VOLUME

1977 TKTX PERCENT ERROR

1-----------------~---------------------------------------------------------------------~ I -75 -50 -25 -10 -5 -I 0 (> I 5 10 2~ 50 75 100 1

nES.'<EJ I TC TO TO TC TC TO TC TO TO TC TC TC TC TC AND I ATT~ACTICN rA~GES I -100 -100 -75 -50 -25 -10 -5 -1 0 ! 5 10 25 50 75 100 ~BGVE I TQT4L

------------------- 1 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 1 0 _,, 1 180 I BO

0.1 - o.q I 1 0 ~ • J 9.9 1 49 5 24 55 23 67 I5 18 24 ' 73 J 357

1 :l • ., - 2~.9 I 4 26 36 15 3 25 2 14 17 3C 15 5 6 I 198 25.0 -1-9.9 I 1 13 28 9 9 8 10 20 31 !t 2 1 14 7 ~::o .. o qq.o I 5 29 24 30 12 16 25 28 E I 177

!OO.o - 199.Q I 21 38 48 5 9 6 43 28 21 1 219 ;:oo.o - 299.9 I I 34 51 13 8 ~4 16 8 I l 75 ?Clll.O ?'9Q.9 I 2 9 '• 5 10 5 9 24 6 1 I 111 ~i)il.D - t ... qq. '3 I 1 3 39 9 2 7 25 4 I 90 son.n - 599.9 I 2 25 1 1 6 14 2 I 57 601".•1 - r::qq.Q I 6 13 1 ! 6 1 1 I 41 700.() 790.9 I 1 9 2 1 1 11 I 31 ~0().1') - 899.Q I 3 4 8 9 I 24 snn~n <;:oq.a I 10 8 6 5 1 29

l ,.,,),1 .J - 1coo.oq 1 34 17 21 29 I In! 2~')'1.1 - 2'i99."Q 1 5 4 1 5 1 21 Jonn.n -:!<;Og.q I 1 2 4 6 I 13 t.COD.•l - !,CJOQ•Q 1 1 5 3 I 9 5~0.'1.1') ~c;qg.Q I 1 2 I 3 b 1l'"Hl.t) 6t;9Q•O I T 0 7-:JJO~ ') 7<:;99.9 I 2 I 2 8 '1'1'1. ') ~c;o;g.g I 1 1 3 I 5 qcno.o - gc;qq.g 1 1 I l

10100.0 AND A~nVF. I 1 I , _____ ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------[ Tf.TAL 49 5 29 99 141 141 328 89 311 102 259 116 121 '2 41 9 79 1991.

Table K

I'JI\LL~S 1=1. WCPTH SHCE MF 77-77-7 YOME EAS~C WORK TRIPS a81 281 BO

SECTOf< ATTRACT ION BALANCE, JTERATJCN 5

ATTP.ACT IONJ 1977 HBW NG. CVER 50 UNfol=q, co ------------------ PERCENT NC. + CR - --------------- ---------------

SF.CTOR PROCIJCT IONS n~SIREC RESULTINr, DIFFERENCE ERROR CHI SQ ZONES 5~ NC. AVERAGE NO. AVFR l\GE ------ ----------- -------- --------- ---------- -------- ------------ ----- ------ ---- ---------- ---- ----------

1 413317. 3'12241. 392a29. -212. -a.t a.1 703. 7a2. 0 o. l -84., 2 6'5RS45. 7281~8. 728031. -151. -o.o o.o 950. q45. 2 55. 3 -58 .. 3 20765. 4690. 4677. -3. -a.1 o.o 74. 74. 0 o. "· 4 'l41J52. 15203. 15332. 129. 0.8 o.5 88. 88. 0 a. 0 0. ~ 40'32. 1521. 1546. 25. 1. 6 o.2 25. 25. 0 o. a a. 6 1616. 4~ 7. 461. 24. 5.5 0.4 21. 21. 0 o. 0 o. 7 4550. 860. 853. -7. -o.e o.o 37. 37. 0 o. 0 o. A 7~aa. 3631. 302. 41. 1.1 0.2 25. 25. 0 o. 0 o. q 1787. 420. 420. o. o.o o.a 15. 15. 0 o. 0 -· ro--- o. o. o. o. o.o o.o 1 • 1. 0 o. 0 o.

11 1). o. o. o. o.o o.o 9. 9. 0 o. 0 o. 12 a. o. o. a. o.o 1).0 7. 7. 0 o. 0 o. 13 o. o. o. o. o.o o.o 4. 4. 0 o. 0 o. 14 o. o. o. a. a.a o.o a. a. 0 a. 0 '· I 5 o. o. o. a. a.o o.a a. a. 0 o. ., ().

16 o. o. o. o. ~-0 o.o B. 8. 0 o. 0 o. 17 o. o. o. a. a. o o.o a. e. 0 o. 0 Q,

----------- -------- --------- ------------ ----- ------ ---- ---------- ---- ----------TOTALS 1147182. 1147191. 1147027. 1. 4 1991. 1'185. 2 55. 4 -142.

Table L

nALL~S cT. ~(PTH SHC~~E 71-11-7 HC"''C BASJ:C NON-WOP.K TRIPS ne1 281 so

SECT'1R ATTRACTION BAL~NCE, fTERAT ICN 5

ATTPACTIONS 1977 HBNW NC. (VER 5U mHJEP. so ------------------ PE~CEtH NC. + OR - --------------- ---------------

SECTOR PRODUC TIDNS CESIREC RESULTING DIFFERENCE ERR~R CHI <;~ ZO~ES 50 NC. A\J ERAGE ~o. 1\VERAGE ----------- -------- --------- ---------- -------- ------------ ----- ------ ---- ---------- ---- ----------

I ;e7z6t. 959650. 984868. 25218. 2.6 644.2 703. 545. t55 l30:o 3 -ao. 2 15S62!t3. lE:4421~. 161055. -2745<;1. -1.7 484.5 9 50. 76\. '4 7 5. 175 -141. 3 4q724. 240t0. 23925. -135. -0.6 n.4 74. 13. 0 o. I -78. 4 9!1487. 64963. 66042. 1079. 1.7 14.5 86. - so. A 82. 0 o. 5 9751. 6122. 6254 .... 132. 2.2 1. 8 25. 25. 0 o. 0 J. 6 JT52. 1922. 1925. 3. 0.2 o.o 21. 21. 0 u. 1 1. 7 10981. 2722. 2t98. -24. -o.q 0.! 37. 3 7. 0 o. 0 c. 8 19499. 14 772. 15506. 734. 5. 0 29.1 25. 21. 4 15 5. 0 o. 9 4142. 2414. 2541. 127. 5.3 3.9 15. 14. 1 62. 0 ;J.

10 o. o. o. o. o.o o.o I. I. 0 o. 0 o, 11 o. o. o. o. o.o o.o 9. 9. 0 o. 0 o. 12 o. o. o. . o. o.o o.o 7. 7. 0 o. 0 o. I 3 o. o. o. o. o.o o.o 4. 4. 0 o. 0 o. 14 o. o. o. n. o.o o.o a. R. 0 o. 0 a. 15 o. o. o. o. o.o o.o a. a. 0 o. c o. 16 o. o. o. o. o.o o.o 6. 6. 0 o. 0 o. 17 -o. o. o. o. o.o o.o ~. R. 0 o. 0 o.

----------- -------- --------- ------------ ----- ------ ---- ---------- ---- ----------TOHLS 277.C840. 2720639. 2720~14. 1176.3 I 991. 1630. 162 504. 179 -2S8.

Table M

'lALL:\S FT. ~CRTH SHCEMF 11-71-1 NHB TRIPS 081 ~8/ ~f}

SECTQR ATTRACTION BALANCE, ITERATICN 5

ATTRACTIONS 1977 NHB NO. CVER 5LI UNO'=R 5" ------------------ PERCENT NC. + OR - --------------- ---------------

c;'=CTOR PRODUCTIONS DESIREC RE~ULTING DIFFERENCE ERROR CHI SQ ZD~E~ 50 N(. ~'vERAGE NO. o\'JERAGE ----------- -------- --------- ---------- -------- ------------ ----- ------ ---- ---------- ---- ----------

I 4€!t761. 4~47~1. 477~14. -7247. -1.5 10a.3 703. t; 72. 0 o. 31 -e2. 2 1145478. 114!:47e. 1153044. 7566. 0.7 50.0 950. 9! 2. ~e ~ 23. 0 "· 3 11842. t3a42. 13~24. -113. -0.1 o.o 74. 74. 0 c. ~ o. 4 37584. ~7584 .. 37346. -238. -0.6 1.5 88. ea. 0 o. 0 o. 5 3609. 360~. 3!:94. -15. -0.4 0.1 25. 25. 0 o. 0 o. b lllJ!. 1118. 1117. -I. -0.1 o.o 21. 21. 0 o. 0 o. 7 15 51. 1551. 1. 567. 16. 1. 0 0.2 37. 37. 0 o. 0 c. A 8f'l44. 8044. 7870. -174. -2.2 3.a 25. 24. 0 o. 1 -57. Q !2~4. 1214. 1181. -33. -2.7 0.9 15. 15. 0 c. 0 "· 10 n. o. o. o. o.o o.o [. [. 0 o. 0 o.

II o. o. o. o. o.o o.o o. 9. 0 o. 0 o. !2 o. o. o. o. o.o o.o 7. 7. 0 o. 0 o. n n. o. o. o. o.o o.o 4. 4. 0 o. 0 o. 14 o. o. o. o. o. 0 o.o a. a. c o. 0 o. '· 5 o. o. o. o. o.o o.o a. ~. 0 o. 0 o. 16 o. o. o. o. o.o o.o a. R. 0 o. 0 o. 17 o. o. o. o. o.o o. 0 a. A. 0 o. 0 o.

----------- -------- --------- ------------ ----- ------ ---- ---------- ---- ----------TOHLS H::c;7~01. 16~7201. 16~7057. 164.7 1991. 1~21. 3a 123. 32 -13~ ..

Table N

'l~LL.'\S ::-r. ~>.CRTf-4 <;HCE~F 77-71-7 TR!.J,..K & TdXI TPIPS OEI 28/ en

SECTCJ~ ATTRACTION E\ALANC~, ITERATICN 5

O.TTRACTICf\S 1977 TKTX

NC .. CVER 50 UN')!:;R '5 I

------------------ PERCENT NC. + OR - --------------- ---------------SECT0P PRnOUCTtON$ C0 SJREC RESULTING DIFFERENCE FRR£1R CHI SQ ZONES 50 NC. ~HR'GE ~n. '\Vf:Rli.GE -.;----- ----------- -------- --------- ---------- -------- ------------ ---------- ---- ----------

1 c;f,.lj 3?. ''1t53~. 193103. -3430. -1.7 59.Q 703. t94. ! St. I; -83. 2 448'l48. 44B54e. 451705. ? 15 7. 0,7 22.2 950. 9 35. 14 77. I -I):. 3 2q45. 2945. ?089. 144. 4.9 7.0 74. 74. 0 o. 0 o. '• gq3 ;.. 9~!'?.. 9es3. 20. 0.2 o.o 88. ~A. 0 o. .) ~.

5 1180. 1180. 1194. I4. I.2 ~.2 25. 25. 0 o. 0 o. 6 33 7. 337. 330. -7. -2.1 0.1 21. 21. 0 o. 0 o. 7 733. 733. 742. 9. 1. 2 0.1 37. 37. 0 o. 0 "· B ~~06. 26ryf. 2588. -18. -t).7 O.I 25. 25. 0 o. 0 o. 0 2'56. 25t. 248. -9. -3.1 0.3 15. IS. 0 o. n o.

lO o. o. o. o. o.o o.o 1. I. 0 o. 0 o. 11 n. o. o. o. o.o o.o 9. 9. 0 o. 0 o. 12 o. 0. o. o. o.o o.o 7. 7. 0 o. 0 o. l3 a. o. o. a. o. 0 o.o 4. 4. 0 o. 0 o. I c o. o. "· '· o.n n.o 8. e. ~ a. n o. 15 o. o. o. o. o.o o.o s. e. n o. n o. 16 n. o. o. o. o.o o.o s. "· 0 o. 0 o. 17 o. o. o. o. o.o o.o a. a. 0 o. 0 c.

----------- -------- --------- ------------ ---------- ---- ----------TOTAL<;. 6t ~Q71. t62G7!. 662(!52. qo.o 1991. l9l:7. '. 5 Ill. Q -I36.

Table 0

dallas-fort worth regional transportation study summary of ... · the purpose of making traffic...

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