Case Studies
Traffic Studies
I-540 and Grand
Fort Smith, Arkansas
South Staples Street and Timbergate Road
Corpus Christi, Texas
School Crossing Warrant Analysis
Conway Springs, Kansas
Blue Springs Retail
Blue Springs, Missouri
Tinker Air Force Base, Gates
Midwest City, Oklahoma
Heartland Church
Irving, Texas
Headquarter Building
Bentonville, Arkansas
Comprehensive Downtown Traffic Study
Oklahoma City, Oklahoma
Oklahoma State Fair Park, May Avenue Access Study
Oklahoma City, Oklahoma
Traffic Signals
I-44 and Key Gate Interchange
Lawton, Oklahoma
Cimarron Turnpike Sign Replacement
Oklahoma
Kelly Avenue from Coffee Creek to Waterloo Road
Edmond, Oklahoma
Transportation Engineer for Project 180
Oklahoma City, Oklahoma
John Kilpatrick Turnpike Sign/Stripe Replacement
Oklahoma
Cherokee Turnpike Sign Replacement
Oklahoma
Rogers Avenue
Fort Smith, Arkansas
Smiley Road and US-70
Madill, Oklahoma
Intelligent Transportation Systems (ITS)
ITS
Oklahoma City, Oklahoma
ITS/Master Plan
Edmond, Oklahoma
Roadway Channelization
US-160
Wellington, Kansas
US-77 and Constitution Street
Norman, Oklahoma
K-156 and Leslie Road
Garden City, Kansas
I-540 and Grand
City of Fort Smith, Arkansas
TEC Contact: Steven D. Hofener, P.E., PTOE
Date Completed: March 2007

A traffic signal was installed by the Arkansas Highway and Transportation Department approximately two years prior to this project at the intersection of I-540 and 62nd Street and Grand Avenue in the City of Fort Smith, Arkansas. After installation, there appeared to be some inefficiency in the operation of the three intersections together. TEC was asked to review the signal phasing and make recommendations with regards to:
  • Change in signal phasing
  • Signal timing
  • Add traffic lanes as needed
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City of Fort Smith, Arkansas
TEC Contact: Steven D. Hofener, P.E., PTOE
Date Completed: March 2007

A traffic signal was installed by the Arkansas Highway and Transportation Department approximately two years prior to this project at the intersection of I-540 and 62nd Street and Grand Avenue in the City of Fort Smith, Arkansas. After installation, there appeared to be some inefficiency in the operation of the three intersections together. TEC was asked to review the signal phasing and make recommendations with regards to:
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Corpus Christi, Texas
TEC Contact: R. Wayne Russell, P.E., PTOE
Date Completed: June 2007

TEC was retained to conduct a traffic study on the site of a proposed retail development in Corpus Christi, Texas. The development included a large retail superstore, a self-serve gas station and several out-lots. Existing traffic data was collected along the adjacent street system and the traffic expected to be generated by the new development was projected and distributed to the existing street system.

Analyses were conducted for the points of access to the site, as well as the adjacent intersections. The capacity analyses were conducted under the existing and projected combined traffic conditions, during the a.m. and p.m. peak hours.

TEC was required to conduct additional analysis for the proposed development in order to determine the effects of replacing the discount superstore with a lower density mixed land use consisting of residential lots and retail development.
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Conway Springs, Kansas
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: April 2007

Saint Joseph Catholic Elementary School on SH-49 (15th Street) in Conway Springs, Kansas, supported by the City of Conway Springs selected TEC to provide a school crossing warrant analysis. A traffic study was conducted west of 5th Street between Fort Smith Street and Saint Louis Street. The two-lane facility contained a striped crosswalk on 5th Street at Fort Scott Street. A school crossing traffic signal was analyzed for this location.
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Blue Springs, Missouri
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: May 2007

TEC reviewed four previous traffic studies conducted for several proposed developments around the US 70 and Adams Dairy Parkway Interchange in Blue Springs, Missouri. Continental Consulting Engineering, Inc. retained TEC to assure that industry standard procedures were adhered to and that reasonable conclusions were reached based on the traffic data in the reports. These developments included:
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Midwest City, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: October 2008

TEC was retained by MacArthur Associated Consultants, LLC to determine the effects that various Force Protection Conditions (FPCON) have on the traffic patterns at gates that provide access to/from Tinker Air Force Base along the Interstate 40 corridor. The entry gates included in this study were:
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SH 161 and Walnut Hill Lane
Irving, Texas
TEC Contact: Michael Hofener, P.E., PTOE
Date Completed: September 2008

TEC was retained by Adams Engineering, Inc. to conduct a traffic study for a church development proposed to be located in the vicinity of State Highway 161 and Walnut Hill Lane in Irving, Texas. The study was requested to determine the effects of the increased traffic due to the development on the adjacent frontage road system.
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Traffic Impact Study, Retailer Headquarter Building
Bentonville, Arkansas
TEC Contact: R. Wayne Russell, P.E., PTOE
Date Completed: December 2008

TEC was retained by a professional consulting firm to perform a traffic impact study for a headquarters' development to be located in Bentonville, Arkansas. This facility includes 294,000 leasable square feet and room for 1,800 employees. The study was conducted to determine the effects of the proposed development on the adjacent street system, to review the available access, and to provide recommendations to accommodate the traffic expected to be generated by the site. Services included: Revised Traffic Impact Study, Headquarter Building and Parking Expansion
Bentonville, Arkansas
Date Completed: April 2009

TEC was retained by a professional consulting firm to revise the original Traffic Impact Study completed by another consulting firm in December 2008. The revised report addressed additional concerns from the client regarding the effects that the future closure of the SE 28th Street bridge (for widening the bridge from two to four lanes) over I-540 would have on the Moberly Lane intersections in the vicinity of the proposed new corporate headquarters development.

Services included:
Revised Traffic Impact Study, Retailer Headquarter Building
Bentonville, Arkansas
Date Completed: May 2009

TEC was retained by a professional consulting firm to revise the original Traffic Impact Study completed by another consulting firm in December 2008. The revised report addressed additional concerns from the client regarding the effects that the future closure of the SE 28th Street bridge (for widening the bridge from two to four lanes) over I-540 would have on the Moberly Lane intersections in the vicinity of the proposed new corporate headquarter development.
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Oklahoma City, Oklahoma TEC Contact: Todd E. Butler, P.E., PTOE Date Completed: August 2009 TEC was selected by the City of Oklahoma City to conduct a comprehensive traffic study of downtown Oklahoma City. The parameters of the project included Western Avenue on the west, E.K. Gaylord Boulevard on the east, SW 4th Street to the south and NW 6th Street on the north. North/South streets included: East/West streets included: The Comprehensive Downtown Traffic Study was requested to review the possible redistribution of traffic within the downtown area due to the construction of new office and commercial buildings, construction of the proposed new Boulevard along the current I-40 Crosstown alignment, and modifications to the directional flow of streets. The study included a review of the effects of the new Devon Energy development and Galleria Parking Garage modifications as provided by the City of Oklahoma City.
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Traffic Study, Oklahoma State Fair Park
May Avenue Access Study
Oklahoma City, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: July 2011

TEC was selected by the City of Oklahoma City to determine the effects of the new 350,000 square foot exhibition building to be constructed on the north side of Gordon Cooper Drive and west of May Avenue.
The City of Oklahoma City has approved three MAPS-related projects to be constructed with and adjacent to the Oklahoma State Fair facilities. These projects include:
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Traffic Impact Study, I-44 and Key Gate Interchange
Lawton, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE

TEC was selected by Smith-Roberts-Baldischwiler, LLC to provide traffic data collection and operational analysis for two design alternatives at the Key Gate Interchange on I-44 in Lawton, Oklahoma. Fort Sill wanted to close the east approach to the interchange for security purposes and construct an internal access road to the training facility on the east side of I-44 from the main base west of I-44. To conduct the analyses, the redistribution and balancing of traffic throughout the interchange was required. All analyses were conducted utilizing the future 2036 design traffic.

Three design alternatives were discussed and considered at the beginning of the study. Two interchange alternative designs were selected and operational analyses were conducted and compared in the report.
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(C-MC-17) Cimarron Turnpike Sign Replacement
Oklahoma
TEC Contact: R. Wayne Russell, P.E., PTOE
Date Completed: March 2007
TEC was selected by the Oklahoma Turnpike Authority to provide inspection and analysis of:
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Traffic Signal Design, Kelly Avenue from Coffee Creek Road to Waterloo Road
Edmond, Oklahoma
TEC Contact: R. Wayne Russell, P.E., PTOE
Date Completed: October 2008
TEC was retained by Triad Design Group to provide revisions of two traffic signal designs previously designed by another consulting firm. The project included one new traffic signal for a school crossing on Kelly Avenue between Coffee Creek Road and Waterloo Road in Edmond, Oklahoma.
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Transportation Engineer for Downtown Streetscape (Project 180)
Oklahoma City, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: January 2010

TEC was selected by the City of Oklahoma City to provide design of the signing, pavement marking and traffic signals in conjunction with the civil design of the premier Project 180. TEC provided design services to each of the following consulting firms that designed different streetscape segments within the project area: Project 180 is a four year, $160 million redesign of downtown streets, sidewalks, parks and plazas to improve appearance and make the central core more pedestrian friendly. TEC's part in this monumental project included:
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John Kilpatrick Turnpike Sign Design, Sign/Stripe Replacement
Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: June 2011

TEC was selected by CP&Y to provide plans, specifications and estimates for replacement and installation of new mainline signing and installation of new striping and pavement marking and mainline lighting along John Kilpatrick Turnpike between Eastern Avenue and MacArthur Boulevard in Oklahoma City.

Field reconnaissance, inspection and analysis of all available information on the existing mainline signage and striping including: TEC prepared construction plans and special details for the new signing, pavement marking and mainline lighting to accommodate the proposed widening of the John Kilpatrick Turnpike.
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Oklahoma
TEC Contact: Michael Hofener, P.E., PTOE
Date Completed: September 2008

TEC was selected by the Oklahoma Turnpike Authority to provide signage rehabilitation and striping on 33 miles of the Cherokee Turnpike from just east of Choteau to west of Siloam Springs, Arkansas. Three interchanges were included on this project: The project required the replacement of all existing signage on the Cherokee Turnpike including all toll plaza, interchanges and connection state highways to the turnpike system.
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Traffic Signal Design, Rogers Avenue and I-540 Northbound Ramps
Fort Smith Arkansas
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: November 2006

TEC was retained by Morrison & Shipley Engineers, Inc. for the relocation or replacement of the traffic signal pole on the north side of I-540 northbound off ramp and Rogers Avenue. Including the relocation of the controller cabinet at the northwest quadrant of the intersection, and the reconstruction of the detection loops, pull boxes and other appurtenances to the system on the north side of Rogers Avenue. This project also included the preparation of the construction traffic control plans for each phase of construction. Plans include: TEC prepared the final quantity take-off with an estimate for all work items utilizing the City of Fort Smith specification numbers. TEC was also responsible for preparing special conditions for any work items, which are not covered in City's standard specifications.
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Traffic Impact Study, Proposed New Discount Superstore, Smiley Road and US 70
Madill, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: June 2007

TEC was retained by a professional consulting firm to conduct a traffic impact study on the site of a new discount superstore development proposed to be constructed in Madill, Oklahoma. The study was required to review the effects the increase in traffic generated by the new development would have on the adjacent street system and determine if street improvements and/or changes in types of traffic control would be necessary. Analysis was conducted using Synchro Professional Version 7.0 modeling and optimizing traffic signal timings at signalized intersections and analyzing an unsignalized intersection in accordance with the methodology of the latest edition of the highway capacity manual. Services included:
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Intelligent Transportation System (Traffic Signal Automation and Synchronization)
Oklahoma City, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: September 2011


TEC was selected by the City of Oklahoma City to provide Intelligent Transportation System (ITS) Traffic Signal Automation and Synchronization for Oklahoma City.

Project 1: TC-0364/0365
Four signalized intersections within each of the four selected test corridors totaling 16 intersections. The project included wireless Ethernet networks through which these intersections will communicate.

Project 2: Oklahoma City Economic Development Trust/Project 180
TEC designed the fiber optic interconnect plans and pan-tilt-zoom (PTZ) camera plans for over seven miles of streetscape improvements in downtown Oklahoma City.

Project 3: Phase I-ITS Signal Timing and Installation for 204 Selected Intersection City-Wide
TEC supported the development and maintenance of a traffic signal database, detector mapping chart, standard phasing configurations and report summary of improvements in travel time for the selected intersections.

Project 4: Phase II – ITS Signal Timing and Installation for 175 Selected Intersections City-Wide TEC supported the development and maintenance of a traffic signal database, detector mapping chart, standard phasing configurations and report summary of improvements in travel time for the selected intersections.
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Transportation Master Plan, ITS Master Communication Plan
Edmond, Oklahoma
TEC Contact: Steven D. Hofener, P.E., PTOE
Date Completed: May 2011

TEC was selected by the City of Edmond to provide the following services:
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Roadway Channelization Design, Traffic Impact Study, US-160 and West of I-35 in Wellington
Kansas, US-160 east of Boundary Road
Wellington, Kansas
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: August 2006

TEC was retained by a professional consulting firm to perform a traffic impact study and related roadway modifications along US-160 for a proposed commercial development to be located in Wellington, Kansas. Services included: Roadway modification plans included the development of plans and specifications for the construction of auxiliary lanes including a left-turn lane and right-turn deceleration lane at the primary driveway to the development.
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Roadway Channelization Design, Traffic Impact Study, US-77 and Constitution Street
Norman, Oklahoma
TEC Contact: Todd E. Butler, P.E., PTOE
Date Completed: February 2007

TEC was retained by a professional consulting firm to conduct a traffic study on a proposed commercial development to be located on US 66 and Constitution Street in Norman, Oklahoma. The study was required to determine the effects of the increased traffic due to the development on the adjacent street system and determine the street geometry and traffic control needs to accommodate the increase in traffic. The traffic study results were utilized to develop the street segment lane geometry for the preparation of the construction plans and specifications.
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Project Title: Roadway Channelization Design, K-156 and Leslie Road
Garden City, Kansas
TEC Contact: Todd E. Butler, P.E., PTOE

TEC was retained by a professional consultant to perform a traffic impact study, traffic signal modifications at K-156 and Leslie Road, and roadway improvement design for K-156. The project included conducting a traffic impact study on a proposed new commercial development to be located in Garden City, Kansas. The study was required to determine the amount of traffic the new development was expected to generate and to review the effects the increased traffic would have on the adjacent street system. The results of the traffic impact study were utilized to develop the construction plans and specifications for the street and traffic control improvements adjacent to the development site.
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