HomeMy WebLinkAbout15135 ORD - 09/19/1979ANNUAL ELEMENT
1976 -1977
TRANSPORTATION
IMPROVEMENT PROGRAM
LEGEND
SAFETY Proposed
PROJECTS Complete or Under
STREET Proposed
OVERLAYS Complete or Under
STREET Proposed
RECONSTRUCTION Complete or Under
SIGNALIZATION
IMPROVEMENTS
p Under Construction
• Complete.
Construction
Construction
Construction
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TYPE C
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TYPE E
Sidewalk
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TYPE F
Sidewalk/
FOR INDUSTRIAL DISTRICTS, APTS, ETC. RESIDENTIAL SECTION
TYPE B
MAJOR THOROUGHFARE
Has Existing Grade Separation
NOTE:
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any new eonelruelion
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Sidewalk
NOTE:
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are „oliany new
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• TYPE D
PARKWAY SECTION
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13' 11'
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TYPE G
MAJOR THOROUGHFARE
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TYPE H
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NOTE:
The lone widths, shown are min.
lort coy new construction.
60' ROW
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TYPE P
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PRIMARY COLLECTOR OR MINOR THOROUGHFARE
IN PORTLAND
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1990 STREET PLAN
CORPUS CHRISTI URBAN TRANSPORTATION STUDY 1974
COUN TY
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C SON TS.
CPINISTI CI, LOOS
PLANT
FREEWAYS
THOROUGHFARES
COLLECTORS
INTERCHANGE
GRADE SEPARATIONS
TYPICAL SECTIONS
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LEGEND
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SCALE IN MILES
PREPARED BY
THE CORPUS CHRISTI METROPOLITAN PLANNING ORGANIZATION, CITY TRAFFIC a TRANSIT
DEPARTMENT, IN COOPERATION WITH THE DEPARTMENT OF TRANSPORTATION , FEDERAL HIGHWAY
ADMINISTRATION AND TI -EE STATE DEPARTMENT OF HIGHWAYS a PUBLIC TRANSPORTATION.
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INTRODUCTION
The Federal -Aid Highway Act of 1962 established the requirement for a continuing, cooperative, comprehensive (3C) transportation planning
process carried on by the states and local governmental agencies and communities. To conform with this directive, the State of Texas, the City
of Corpus Christi, Nueces County, San Patricio County, and the City of Portland entered into an agreement to cooperatively conduct the con-
tinuing process of transportation planning. Such a process has been underway in one form or another since the early sixties. The primary pro-
duct of the transportation planning process is a current transportation plan which is designed to adequately and safely accommodate forecasted
traffic, in the study area, in a manner that is in agreement with the area's planned development and growth. The plan relates to all types of travel
and addresses both short, and long-range transportation improvement programs. It is kept current by a continuing review process which evalu-
ates any changes in travel pattern, land use, economics, and population.
The present status of the transportation plan is reflected in this annual report. A review of the past year's accomplishments and an evaluation on
the status of major projects now underway are presented, in order to determine the progress on the current phase of the transportation planning
process. The changes that have occurred in the transportation plan are presented and the factors which were an integral part of its development
are discussed.
ORGANIZATIONAL STRUCTURE
The transportation planning process in the Corpus Christi urbanized area requires a single-staffdirection for all modes of travel. In accordance
with U.S. Department of Transportation guidelines, an organizational structure has been developed to provide for a Policy Advisory Commit-
tee composed of locally elected officials and its Steering Committee and Technical Committees as may be necessary for the purpose of continu-
ing the transportation planning process. This structure, consisting of representatives from area governments and agencies, has been formalized
through the Corpus Christi Urban Transportation Study (continuing phase) agreement. Signatories to this agreement are the
City of Corpus Christi
City of Portland
County of Nueces
County of San Patricia, and the
State Department of Highways and Public Transportation
The single -staff direction in the transportation planning process is provided by the City of Corpus Christi as the Governor's designated
Metropolitan Planning Organization, in cooperation with the State Department of Highways and Public Transportation.
POLICY ADVISORY COMMITTEE
The Policy Advisory Committee, with assistance of the Steering Committee and various technical committees, has the responsibility of provid-
ing the policy direction necessary for continuing the transportation planning process in a cooperative and coordinated manner as prescribed by
the continuing phase agreement.
The Policy Advisory Committee includes the following voting members:
One elected official representing the City of Corpus Christi
One elected official representing the City of Portland
One elected official representing Nueces County
One elected official representing San Patricio County
All locally elected U.S. Representatives, State Senators and State Representatives desiring to serve.
Responsibilities of the Policy Advisory Committee, in addition to providing general policy guidance, shall include
annually reviewing and adopting the transportation plan (revised as necessary);
taking appropriate action on recommendations of the Steering Committee, including those relative to certification or re -certification; and
meeting as necessary to perform its functions and hold a public meeting at least once a year to discuss the status of planning.
STEERING COMMITTEE
The Steering Committee is composed of the following voting members:
Three representatives of the City of Corpus Christi
One representative of the City of Portland
One representative of the County of Nueces
One representative of the County of San Patricio
Two representatives of the State Department of Highways and Public Transportation
Five locally elected State Officials
(Those desiring to serve.)
The Steering Committee will also invite additional nonvoting members that they deem necessary to promote the coordination between the
agencies involved in the principal modes of transportation.
The Steering Committee shall provide routine guidance to the planning process, examine the adequacy of the continuing planning process at ap-
propriate intervals, and at least annually assign each agency responsibility for updating various study elements. The committee shall make a
progress report from which an annual written progress report will be prepared and recommended to the Policy Advisory Committee any necess-
ary revisions to the Plan. It shall determine whether the current transportation data is in accord with previous projections and recommendations
or if there are discrepancies of a nature that would require significant changes in the Plan. In addition, the continuing phase agreement shall be
reviewed annually to determine if it should be supplemented or renegotiated. The committee shall recommend action to the Policy Advisory
Committee, review the Prospectus annually, and if necessary recommend revisions. It shall also review the limits of the Study Area, make any
necessary minor revisions and designate such technical committees or task forces needed to carry out the planning process.
A Planning Coordinator will be assigned by the State Department of Highways and Public Transportation to work in close cooperation with the
cities, counties, and the Metropolitan Planning Organization.
ORGANIZATION STRUCTURE
CORPUS CHRISTI URBAN TRANSPORTATION STUDY
PARTIES TO THE AGREEMENT
STATE DEPARTMENT OF HIGHWAYS AND PUBLIC TRANSPORTATION
CITY OF CORPUS CHRISTI
NUECES COUNTY
CITY OF PORTLAND
SAN PATRICIO COUNTY
POLICY ADVISORY COMMITTEE
Elected Officials From Each Local Government, Appropriate
State Rep. and Senators and U.S. Congressman
STEERING COMMITTEE
3 Members City of Corpus Christi
1 Member City of Portland
1 Member County of Nueces
1 Member County of San Patricio
2 Members State Department of Highways and Public Transportation
5 Members Locally Elected State Officials
Non -Voting Members Deemed Necessary for Coordination
*SDH&PT
Planning
Coordinator
City of Corpus Christi
**MPO
Planning
Coordinator
SINGLE STAFF
DIRECTION
City of Portland
CITIZEN PARTICIPATION
*SDH&PT - State Department of Highways and Public Transportation
**MPO - Metropolitan Planning Organization
AREA CHARACTERISTICS
POPULATION
San Patricio County
A forecast of the future total population and the future distribution of the population is an important part of the transportation planning process.
Such a forecast can be used as indicator of future transportation needs and as a gauge of the future adequacy of existing transportation facilities.
Between 1960 and 1970, the population in the Corpus Christi SMSA increased by 6.8%. It is estimated that by 1980, the population of the Cor-
pus Christi SMSA will be 319,950, an increase of 10.9% from 1970. By the year 1990, the population figure will be 357,475, a 20.3% increase
over the 1970 figure.
ECONOMICS
An analysis of the economic factors affecting the present and future development for the Corpus Christi metropolitan area is an important com-
ponent of the transportation study. The various changes in the level of economic activity in the study area will provide the basic input for the
land use and travel forecasts.
EMPLOYMENT
The Corpus Christi area economy is supported by tourist trade, agriculture, mining, manufacturing, construction, retail and service establish-
ments, the U. S. Naval Air Station (N.A.S.), the U. S. Army Aeronautical Depot Maintenance Center, and the Port of Corpus Christi. The
employment availiability within each of these activities is an indication of the growth of the activity itself.
Between 1960 and 1970, total employment increased by 13.856 for a net gain of 16.8 per cern. However, growth was not spread evenly over
all industrial sectors. Some industries experienced a decline. The largest growth in employment occurred in the industries producing services,
education, health care, trade, repair and maintenance, government, transportation, communications, banking, etc. Employment in the good
producing industries experienced a decline of 5.1 percent. The employment forecast for 1980 indicates that employment in the industries pro-
ducing services will continue to grow, though not to the extent which occurred between 1960 and 1970. Employment in the good producing in-
dustries will undergo a reversal of the 1960 through 1970 pattern, and will show an increase in employment. A total employment increase of
17% is forecast for the Corpus Christi SMSA, for the period between 1970 and 1980.
INDUSTRIAL GROWTH
The expansion of several major industrial plants in the area continued in 1976. Champlin Refinery proceeded with the expansion of its refinery
and at the same time announce plans of its participation in the construction of a multimillion dollar ethylene production plant.
The possible location of a deep draft inshore port at Harbor Island continued to be a important item of discussion in 1976. Such a facility would
have a great influence on the economy of the area, particularly the local chemical, oil, and metal fabrication industries.
CONSTRUCTION
The construction industry showed a definite increase in 1976. Most of the activity was in the home building area, but commercial development
also showed an increase. Further expansion of this activity is forecasted.
MANUFACTURING
The establishment of several manufacturing industries, has greatly increased the employment potential of this activity. Recent companies locat-
ing in the area include Du Pont, Levi Strauss, Robstown Manufacturing Companies, Power Monolithics, and IHC Holland Le•rfourneau
Marine Corp. Each of these industries is involved in a different activity, and each requires the support of other area industries which adds to it's
employment potential.
PUBLIC EMPLOYMENT
There is a more than average reliance on Public Service employment in the Corpus Christi Urban Area, due to the existance of two large mili-
tary facilities in the area. The Naval Air Station (N.A.S.), and the U. S. Army Aeronautical Depot Maintenance Center employ a substantial
number of area residents. During 1976, the possible closure of the Naval facility emerged. Such a closure would definitely influence a large
number of local industries.
LAND USE
A and use.analysis was done in the Corpus Christi Urbanized Area in 1963 and updated and expanded to include the City of Portland in 1973.
The 1973 land use data was projected to a 1990 forecast year. The projected land use data was used in evaluating the present arterial system and
in making traffic projections. The projected land use can be further used in selecting new major arterials and major thoroughfares in and around
the study area.
During the City of Corpus Christi continued to experience a steady growth in landrdevelppment. Residential construction continue(
lead tht. „ories, with several multi -family complexes being established. Commercial uses also expanded, particularly in the southeast area
the City. Development is generally in line with the projected land use forecast, except for a more intense commercial development along the
Everhart and Weber arterials.
TRAFFIC AND TRANSPORTATION
STREET USE
The mileage of streets and highways within the City of Corpus Christi has increased from 940 to 1,100 miles since 1964. The approximate
mileage of streets and highways within the Corpus Christi Urbanized Area is 1,150. All the streets and highways within the study area are
grouped into four basic categories. The four are: Principal Arterials, Minor Arterials, Collectors, and Local Streets.
The greatest increase in total mileage of streets was due to the numerical increase in local streets. Though increases in the mileage of improved
principal arterial and minor arterial roadways occurred, increases in mileage based on functional classification for this type of roadway were
minimal.
The Transportation Plan illustrates both the existing street uses throughout the Corpus Christi Urbanized Area, and the projected street func-
tion in the year 1990. It is this master plan which is used in determining the location and design of roadway improvements.
CAPACITY
During 1976, a Capacity Analysis Study, was conducted on approximately forty intersections within the Corpus Christi city limits. Along with
determining the present capacity status of these intersections, a comparison between the capacity of the intersections in 1964 and the capacity of
the intersections in 1976 was made. This was done by comparing the congestion indices of the intersections, which is the ratio between the
calculated capacity of the intersection and the peak hour approach volume. A congestion index of less than one is indication that some degree of
congestion is present. Tables 4 and 5 under "Studies for Future Improvements," list the results of the 1976 Capacity Analysis Study.
ACCIDENTS
Traffic accidents are an undesirable by-product of vehicular traffic and may be used to measure how efficiently a particular street operates. Dur-
ing 1976, as in previous years, an Accident Analysis Study was conducted for the Corpus Christi Urbanized Area. For the purpose of analysis,
all accidents are divided into two categories. Accidents attributable to the influence of intersections on the principal network are classified as in-
tersection accidents. Those accidents occurring between these intersections are termed control section accidents and include all minor intersec-
tions not on the principal network.
For 1976, the top 30 accident intersections were those listed in Table 1. Evaluation of the signal systems, capacity deficiencies, or geometrics of
each of these intersections are conducted in an effort to determine the cause and minimize the occurrence of traffic accidents.
In addition to evaluation of high accident locations, several special projects were masted to provide for special study of specific accidents. In
cooperation with the State Office of Traffic Safety the following projects were undertaken:
1. Accident Analysis and Location Program - This project allows for the computerized storage and analysis of traffic accident data. It is
used to quickly identify high accident locations and list probable causes.
2. -Blue Squad" - Special project which allows for concentrated police surveillance for motorist operating under the influence of
alcohol and/or drugs.
3. "Red Squad" - Special project which allowed for concentrated police surveillance of violating motorist. Emphasis placed on illegal
stops, change of lanes, and speeding.
Thus, the -application of the principles of engineering, enforcement, and education are used as tools for the elimination and reduction of traffic
accidents in the Corpus Christi Urbanized Area.
TOP 30 ACCIDENT INTERSECTIONS
1976
Everhart Rd.
Ayers St.
Weber Rd.
Everhart R d.
Kostoryz Rd.
Agnes Si.
Mc Ardle Rd.
Agnes St.
Mesquite St.
Ayers St.
Ayers St.
Everhart Rd.
Ayers St.
Holly Rd.
Laredo Sr.
Leopard St.
Mc Ardle Rd.
Leopard St.
Hearn Rd.
S. SH 286 NIBFr.
S. Brownlee Blvd.
Morgan Ave.
Greenwood Dr.
S. Alameda St.
KOSIOITZ Rd.
Airline Rd.
Agnes St.
S. Alameda St.
Airline Rd.
Leopard Si.
W/B - West Bound Access Rd.
SIB - Southbound Access Rd.
E/B - Eastbound Access Rd.
TRANSIT
S. Padre Island EIB Dr.
S. Alameda St.
S. Padre Island EIB Dr.
Mc Ardle Rd.
Mc Ardle Rd.
N. Padre Island S/B Dr.
S. Staples St.
S. Staples SL
Twigg Sr.
Baldwin Blvd.
Gollihar Rd.
S. Staples St.
Home Rd.
Weber Rd.
S. Staples St.
Nues By IHvd.
Weber Rd.
N. Tancahua St.
State Hwy. 77
SH -286 N/18 -19th Exit
Laredo St.
S. Staples St.
S. Padre Island W/B Dr.
Texan Tr.
Sunnybrook Rd.
Mc Ardle Rd.
Old Robstown Rd.
Everhart Rd.
Gollihar Rd.
N. Port Ave.
1976
43
25
24
24
22
19
18
18
18
18
17
17
16
16
16
15
15
14
14
14
14
13
13
13
13
13
13
13
13
The City of Corpus Christi operates a transit system, which involves fifteen routes and covers most areas within the city limits. In an effort to
improve transit services and reverse the trend of declines in passengers, the City hired a consultant to formulate a Transit Development Plan.
The Plan was completed and accepted by the City during this past year.
In addition, the following equipment was purchased in 1976:
1. Acquisition of 15 new 45 -passenger, air conditioned, diesel transit buses.
2. Acquisition of 35 two-way radios to provide direct communications between transit vehicle and home base.
3. Acquisition of 15 registering fareboxes.
4. Purchase of 15 bus shelters to be installed during 1977.
5. Purchase of 6 minivans, two of which are to be used for handicapped and elderly. Delivery of vans is to occur in 1977.
BICYCLE ROUTES
Bicycles are becoming evermore important in the mobility of the general public. Whether they are used as a means of travel out of necessity or
recreation, planning for adequate bikeway facilities is an important part of the Transportation Plan.
The City of Corpus Christi and the City of Portland adopted, during the past year, a comprehensive Bicycle Route Plan. The Plan is illustrated in
Figure 3. It is designed to provide maximum mobility to cyclists throughout the City. Both off- and on -street bikeways are provided.
SIGNIFICANT TRANSPORTATION EVENTS
In 1976, several events occurred which had or will have a definite effect on the Transportation System of the area. They are the following -
1. Bayfront Science Park - Development of the Bayfront Science Park complex continued with the construction of the Community
'Theater and the Community Auditorium. Located on the extreme north end of the Bayfront, the complex also includes the .City
Science Museum and South Texas Art Museum. At final completion, the area will be the site of a new Convention Center complex.
Access to the complex and traffic circulation within the complex must definitely be considered in the Transportation Plan.
2. Ethylene Production Plant - Champlin Refinery announced plans during the past year, on the proposed construction of a
multimillion dollar ethylene production plant. The site for the plant is located north of State Highway 44, between McKenzie and
Violet Road. Its location necessitated that several changes be made in the 1990 Street Plan. These changes are listed and discussed in
another area of this report.
3. Courthouse Facility - Construction of the new Nueces County Courthouse continued. The multistory structure is located in the up-
town section of the Central Business District. Its construction is anticipated to spur the development of adjacent supplementary
facilities such as restaurants, law offices and office services establishments. Access to and within the complex must be provided by
the existing transportation facilities.
4. Northwest and Southeast Residential Growth - As anticipated, the southeast section of Corpus Christi continued to experience rapid
growth/In residential development. New arterials, collectors, arid local streets were established throughout the area. Improvements
to existing facilities were undertaken to alleviate congestion.
Residential growth in the extreme northwest area of Corpus Christi began to emerge. Such growth has continued and expanded to
include areas beyond the city limits. Traffic volumes on the principal arterial roadways serving the area increased significantly during
the past year.
TRANSPORTATION IMPROVEMENT PROGRAM
The Federal Transportation Planning guidelines require that a Transportation Improvement Program (TIP) be developed by all areas involved
in the transportation planning process. The TIP is a 3 -year listing of proposed improvements to the transportation system of the concerned area.
It is composed of both short- and long-range improvements.
The first year of the TIP is known as the Annual Element. It is a listing of projects anticipated to be performed and completed within the first
year of the 3 -year program. The7nual Elements for 1976-77 are listed in Table 2, and those completed or under construction are shown in
Table 3.
Figure 2 is an illustration of the major roadway improvement projects which were proposed in the annual element for 1976-1977. The limits
and status of each project is shown on the map.
PROJECT
Port Ave.
Kostoryz
S. Staples
Alameda
U. S. 181
U. S. 181
S. H. 286
S. H. 286
S. H. 358
TABLE 3
ANNUAL ELEMENT (1976-1977)
CORPUS CHRISTI URBAN TRANSPORTATION STUDY
TRANSPORTATION IMPROVEMENT PROGRAM
PROJECTS
PROJECT LIMITS
I. McArdle Rd.
2. Airline Rd.
3. Port Ave.
4. Pon Ave.
65, KPOnAstors.'s'
7. Nueces Bay
136MN.ICKid.6
0..en6a sic Rd
9 .
10. Everhart
1 I. Airline Rd.
12. So. Staples
13. Alameda St.
14. S. H. 44
15. U. S. 181
16. U. S. 181
11 7 LIS.. 325886
18. S.H.206
9sH
20. 1.11. 37
21 ,N,Iico,i,ree Ase.
2Van
i r
252.
TLrifatnsit
24. Transit
25.
26.
27.
28.
29.
30.
31
Transit
Transit
Transit
Transit
Transit
Transit
Bikeways
Demonstration
Program
Vance *0 511 Vernon Park
Williams Dr. *0 140113 Rd.
Agnes to Morgan Ave
Morgan to S. H. 286
S.H. 2061u Ayers St.
P. I. Dr. to Holly
1. IL 37 to N. Broadway
Loop407 to I. 11. 37
Loop 443 to Morgan Ave.
Staples to P. I. Dr.
Alameda to P.1. Dr.
Kinney to 17th St.
So. Stan]. to Louisiana Blvd.
Eli. 358 to 1 mi. East of Clarkwood
I. H. 37 to Nueces Bay Causeway
N. of P.M. 2986 to S. of Moore
1. FL 37 to Ski. 358
S. H. 286-L H. 37 to Interchange
S. H. 358-L N. 37 to Interchange
Waco SL to Nueces River
Memorial Pkwy. to Stark Rd.
Purchase 2 - 45 passenger wfair Diesel Transit
Buses
Purchase I- 15-20 passenger
Bus wiair gar the elderly Handicapped
Purehase 1 new bus wrecker
Purchase 7 2 -way Radios & Installation
Purchase 7 Registering Fare Boxes
Purchase Bus Shelters.
Farch.e 4 525-28) Diesel Travel Buses
Operating Assistance Grant
" Transportation System Management Element
City - Corpus Christi, Tex.
TABLE 2
LENGTH
MILES TYPE OF WORK
0.19
0.60
0.63
0.89
0.98
0.75
0.64
0.45
0.70
0.75
137
1.7
9.5
2.8
3.1
1.2
4.5
0.1
0.1
16.6
1.4
Rebuild
Rebuild
Overlay
Rebuild
Rebuild
Rebuild
Rebuild
Rebuild
Rebuild
' Widening
' Overlay
Overlay
Overlay
New Construction
Sign Rework
Sign Rework
Sign Rework
Install Guard Rail
Install Guard Rail
Sign Rework
Rebuild
Ada Wilson Hosp. of
Phy. Med. and Rehab.,
Bus Replacement
Bus Replacement
Replacement Equipment
New Equipment
Replacement Equipment
New Equipment
Replacement Equipment
Operating Assistance
Grant
1.5 New Construction
1976 - 77 ANNUAL ELEMENT PROJECTS
COMPLETED OR UNDER CONSTRUCTION
LIMITS
Morgan to S. H. 286
Padre Is. Dr. to Holly
Kinney to 17th St.
S. Staples to Louisiana
1.11.-37 to Nueces Bay Causeway
N. of F. M. 2986 to S. of Moore Ave.
I. H.-37 to S. H. 358
S. H. 286-1. H.-37 to Interchange
S. H. 358-1.11.-37 to Interchange
TYPE OF WORK
Reconstruction
Recohstruction
Overlay
Overlay
Sign Rework
Sign Rework
Sign Rework
Install Guard Rail
Install Guard Rail
STATUS
Under Construction
Under Construction
Under Construction
Under Construction
Completed
Completed
Completed
Completed
Completed
REVISIONS TO THE TRANSPORTATION PLAN
1990 STREET PLAN
The following revisions to the 1990 Street Plan have been adopted to make the Transportation Plan current with existing conditions.
1. The street network north of State Highway 44 between McKenzie Road (County Road 57) and Violet Road (FM 24) has been deleted.
An ethylene production plant is being constructed on a 1200 acre site in the area. The western end of the proposed extension of McNor-
ton Road as a thoroughfare will intersect as a "T" intersection with Violet Road, instead of a 4 -way intersection with County Road 44.
The proposed thoroughfare north from the plant site to Haven Drive was downgraded to a proposed collector street.
2. Acquisition of land for the proposed airport expansion necessitated the elimination of the proposed "dog leg" in Buckholt Road. west of
Corpus Christi International Airport, just north of its intersection with McGloin Road (County Road 34).
3. An existing railroad grade separation crossing of I.H. 37, between McBride Lane and Navigation Boulevard, was included in the Street
Plan.
4. The Interchange of the Padre Island Expressway (State Highway 358) and Leopard Street was revised to indicate it as completed and
"existing".
5. The double interchange for Agnes Street (State Highway 44) and the Padre Island Expressway was revised to indicate it as completed and
"‘existing".
6. Carver and Cheyenne Streets were deleted as collectors. Both are now indicated as -local" streets.
STUDIES FOR FUTURE IMPROVEMENTS
Several studies were performed in 1976 that are to be used as a basis for developing future TIP programs. The most significant of these was the
capacity analysis of approximately forty intersections within the City of Corpus Christi. The capacity deficient intersections for 1976 were iden-
tified and are listed in Table 4. They are ranked in order of decreasing congestion indices. Congestion index (C.1.), as stated earlier in this
report, is the ratio between intersection hourily capacity and intersection peak hour volumes. A congestion index figure of less than one indi-
cates congestion is present. Table 5 is a listing of thirty intersections which were analyzed in 1964 and were found to have capacity deficiences. A
comparison between the 1976 congestion index and the 1964 congestion index is illustrated. All of the thirty intersections have improved con-
siderably in regard to capacity. The improvenents can be attributed to several factors, some of which are, improved signal systems, improved
and widened roadways, or the availability of equal or better transportation facilities.
1976 CAPACITY DEFICIENT INTERSECTIONS CAPACITY IMPROVEMENTS OF 1964'S THIRTY MOST
CONGESTED INTERSECTIONS
Intersection Road of Travel Approach Time
Everhan-McArdle
Staples -Texan Trl.
Ayers-Gollihar
Weber -Padre Island
Drive - South
Intersection
Ayers-Gollihar
Morgan -Ocean Dr.
Loui,siana-Alarneda
Everhart -Staples •
Everhart -Staples
Weber -Padre Island
Drive -South
Intersection
Weber -Padre Island
Drive -:North
Intersection
Weber -Padre Island
Drive - South
Intersection
Ayers-Gollihar
Ayers -G ollihar
Staples -Baldwin
Padre Island Drive -
Greenwood
Weber -Holly
Kostoryz-Gollihar
Kostoryz-Padre Island
Drive -.North
1ntersection
Baith'xin-Ayers
Everhart -Padre Island
Drive - Saari
Intersection
Ayers -Alameda -Staples
McArdle
Texan Tr1.
Ayers
Left Tum Lane
Weber
Left Turn Lane
Gollihar
Left Turn.Lane
Ocean Drive
Louisiana
Staples
Staples
Weber
Eastbound
Westbound
Southbound
4:30-5:30 PM
4:30-5:30 PM
430-5:30 PM
Northbound 7:30-8:30 AM
Eastbound 4:30-5:30 PM
Southbound 4:30-5:30 PIM
Westbound 4:30-5:30 PIM
Southbound 12:00-1:00 PM
Southbound 4:30-5:30 PM
Northbound
Padre Island Dr. Westbound
Padre Island Dr.
Ayers
Left Turn Lane
Ayers.
Left Turn Lane
Baldwin
Right Turn Lane
Padre Island Dr.
Weber
Left Turn Lane
Gollihar
Kostoryz
Baldwin
Everhart
Ayers
Eastbound
Northbound
Northbound
Eastbound
Eastbound
Northbound
Eastbound
Northbound
Eastbound
Northbound
Westbound
7:30-8:30 AM
4:30-5:30 PM
4:30-5:30 PM
7:30-8:30 AM
4:30-5:30 PM
4:30-5:30 PM
7:30-8:30 AM
7:30-8:30 AM .93
4:30-5:30 PM
7:30-830 AM
7:30-8:30 AM .97
7:30-8:30 AM .98
4:30-5:30 PM .98
Congestion
Index
.74
75
75
Intersection
Direction 1964 1976
of Approach Congestion Index Congestion Index
A.M P.M.
0.45 2.6 2.9
0.47 2.3 Ll
0.48 2.4 3.2
0.49 2.1 1.8
0.52 2.3 1.6
0.53 Blinking
0.55 4.0 2.9
0.56 Blinking
0.56 2.01 0.98
0.57 4.0 1.0
0.58 5.3 2.1
0.59 4.9 2.2
0.63 2.0 1.4
0.63 1.5 L8
0.63 2.4 2.3
0.63 2.0 1.1
0.65 1.4 0.84
0.65 2.2 1.3
0.66 2.9 2.4
0.67 1.6 1.9
0.67 2.1 1.1
0.68 2.8
0.70 4.0 1.5
0.70 3.1 0.81
0.71 3.6 1.5
0.73 L8 L4
0.74 2.1
0.74 0.97
0.74 4.6 3.3
Alameda -Ayers -Staples Northbound
.78 Morgan -Port Avenue Westbound
Port -Baldwin Blvd. Northbound
.79 Kostoryz-Gollihar Westbound
.81 Old Robstown Rd. -Agnes Southbound
.84 Pon -Prescott St. Northbound
.85 Port -Baldwin Blvd. Southbound
.85 Port -Prescott St. Southbound
.86 Ayers -Alameda -Staples Westbound
Almeda-Ayers-Staples Southbound
Brownlee -Morgan Southbound
Port -Ruth -Highland Southbound
Ayers -Alameda -Staples Eastbound
.58 Port -Morgan Ave. Northbound
Baldwin -Port Ave. Westbound
Ayers-Gollihar Northbound
.88 Louisiana -Alameda Westbound
Everhart -Staples Westbound
Brownlee -Morgan Northbound
.93 Staples -Alameda -Ayers Northbound
Collihar-Kostoryz Eastbound
Staples -Baldwin Blvd. Southbound
.95 Baldwin -Port Avenue Eastbound
Morgan -Ocean Drive Southbound
.96 Santa Fe -Ayers St. Southbound
Staples -Texan Trail Northbound
Ayers -Baldwin Northbound
Baldwin -Ayers Eastbound
Fort-Lipan Northbound
.88
.88
.90
TABLE 4
TABLE 5