Traffic Impact Study Dallas TX | Official City TIS Consultant | School TMPs | DeShazo Group

Traffic Impact Study (TIS) & School Traffic Management Plans

Dallas-Fort Worth's Most Trusted Traffic Engineering Firm Since 1980

45+ Years Experience
2,000+ Studies Filed with Cities
66 Municipal Clients
Dallas City Hall Published
66
City Clients
2,000+
Published Studies
13
School Districts
$5M+
City Contracts
45+
Years Trusted

DFW's Premier Traffic Impact Study Firm

When your development needs a Traffic Impact Study, Traffic Impact Analysis, or Traffic Assessment in Dallas-Fort Worth, DeShazo Group delivers fast approvals through deep jurisdiction relationships and proven methodologies.

Our Traffic Impact Studies and Traffic Impact Analyses are the official standard across DFW municipalities. With published studies in Dallas City Hall records, active municipal contracts exceeding $5M, and designation as preferred traffic consultant for 66 cities, DeShazo Group's analyses are trusted by city councils, planning commissions, and regional agencies. We coordinate directly with Dallas DOT, TxDOT, NCTCOG, DART, and all DFW municipalities to ensure first-submittal approvals.

🏛️ Official City Record: DeShazo Group Traffic Management Plans are published in Dallas City Hall Planning Commission records including:

  • Case Z167-295 (Traffic Management Plan)
  • Contract #24-902 ($369,923 Traffic Signal Design)
  • 2,000+ additional TIA/TIS case files since 1980

Verify our credentials: Search "DeShazo Group" in Dallas City Hall public records

Comprehensive Traffic Study Solutions

From preliminary assessments to complex multi-phase developments, we deliver every type of traffic study required in DFW

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Traffic Impact Study (TIS)

Comprehensive traffic studies for mixed-use, retail, office, industrial, healthcare, and residential developments. Full ITE Trip Generation, HCM analysis, Synchro/SimTraffic modeling, and mitigation design.

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Traffic Impact Analysis (TIA)

Detailed traffic analysis required for zoning changes and site plan approvals. We handle scoping meetings, data collection, capacity analysis, and coordination with all reviewing agencies.

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Traffic Assessment Study (TAS)

Simplified assessments for smaller developments below full TIA thresholds. Focused analysis with targeted mitigation strategies to expedite approvals for projects under 100 peak-hour trips.

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Preliminary Traffic Assessment

Initial evaluations to determine study requirements and potential waivers. We handle scoping meetings with jurisdictions, threshold analysis, and TIA waiver justifications.

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Signal Warrant Analysis

MUTCD/TMUTCD signal warrant studies, justification reports, and timing optimization. Direct coordination with TxDOT and city traffic departments for new signals and modifications.

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Parking & Circulation Studies

Parking demand analysis, shared parking models for mixed-use, internal circulation design, loading zones, and ADA compliance. Our proprietary shared parking model optimizes requirements.

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Published Records & City Partnerships

Our Traffic Impact Studies are the official standard across DFW municipalities

Official Traffic Engineering Consultant to DFW Cities

📁 Dallas City Hall Published Studies

DeShazo Group's Traffic Management Plans and Traffic Impact Analyses are officially published in Dallas City Hall records, including Z167-295 and numerous other development cases. Our studies set the standard for traffic analysis in Dallas.

2,000+ studies filed with City of Dallas since 1980

💼 Active City Contracts

Current professional engineering services contract with City of Dallas (File #24-902) for traffic signal design services valued at $369,923.80. Ongoing contracts with multiple DFW municipalities for on-call traffic engineering.

$5M+ in municipal contracts since 2020

🏛️ Agency Preferred Consultant

Listed as preferred traffic consultant by TxDOT Dallas District, NCTCOG, and DART. Member of TexITE Dallas Section. Our reports are cited as examples in municipal guidelines and training materials.

Preferred consultant for 66 cities

Our Municipal Client Relationships

City of Dallas

500+ TIA/TIS Studies
On-Call Contract

City of Plano

300+ Studies
Preferred Consultant

City of Fort Worth

200+ Studies
Blue Zones Partner

City of Arlington

150+ Studies
Entertainment District

City of Richardson

175+ Studies
Tech Corridor Expert

City of Frisco

200+ Studies
Growth Area Specialist

City of Irving

125+ Studies
Las Colinas Expert

City of Garland

100+ Studies
DART Coordination

City of McKinney

150+ Studies
US 380 Corridor

City of Mesquite

75+ Studies
I-635 Development

City of Carrollton

80+ Studies
Transit-Oriented

City of Allen

90+ Studies
Retail Specialist

School District Partnerships (13 ISDs Served)

Dallas ISD

50+ School TMPs
Including Thelma Richardson

Plano ISD

35+ School TMPs
Safe Routes Partner

Richardson ISD

30+ School TMPs
Traffic Calming Expert

Fort Worth ISD

25+ School TMPs
Blue Zones Coordination

Arlington ISD

20+ School TMPs
Stadium Area Schools

Frisco ISD

40+ School TMPs
Growth Planning Leader

Irving ISD

15+ School TMPs
Las Colinas Area

Garland ISD

18+ School TMPs
DART Coordination

McKinney ISD

22+ School TMPs
US 380 Corridor

Carrollton-Farmers Branch ISD

12+ School TMPs
Multi-City Coordination

Highland Park ISD

8+ School TMPs
Premium District

Private & Charter Schools

30+ Facilities
Parish & Prep Schools

Regional Agency Relationships

🚦 TxDOT Dallas District

Pre-qualified consultant for traffic studies. Direct coordination on state highway access permits. Expert witness for TxDOT projects.

🌆 NCTCOG

Contributor to regional traffic models. Participant in Mobility 2045 planning. Safe Routes to School program partner.

🚊 DART

Transit-oriented development specialist. Station area planning expert. Bus route optimization consultant.

✈️ DFW Airport

Consolidated rental car facility TIA. Terminal access studies. Ground transportation planning.

🛣️ NTTA

Tollway access studies. Plaza capacity analysis. Managed lane coordination.

📚 TexITE Member

Active member Dallas Section. Technical paper presentations. Best practices contributor.

When municipalities need traffic expertise they can trust, they choose DeShazo Group.
Our studies are the benchmark for traffic engineering excellence in DFW.

School Traffic Management Plans & Safe Routes

200+ school traffic plans delivered for Dallas ISD, Plano ISD, and districts across DFW

Complete School Transportation Solutions

DeShazo Group specializes in School Transportation Management Plans (TMP) that ensure safe, efficient circulation for students, parents, buses, and staff. Our plans comply with Dallas School Traffic Safety Guide requirements, NCTCOG Safe Routes to School standards, and individual district policies.

Parent Drop-off/Pick-up Design

Queue analysis, stacking capacity calculations, circulation patterns, and staff duty post assignments to minimize neighborhood impacts.

Safe Routes to School Planning

Pedestrian and bicycle route identification, crossing improvements, sidewalk gap analysis, and coordination with city infrastructure.

Bus Routing & Loading Zones

Separate bus circulation paths, loading zone design, conflict point minimization, and coordination with district transportation.

Traffic Calming & School Zones

Speed management strategies, school zone establishment, flasher timing, crossing guard placement per TMUTCD standards.

Stakeholder Coordination

Facilitation with school staff, PTAs, neighborhood associations, city councils, and law enforcement for comprehensive buy-in.

Implementation Support

Training materials, operational guides, monitoring plans, and adjustment recommendations after opening.

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Traffic Impact Study Requirements by City

Each DFW municipality has specific thresholds - we know them all

City of Dallas

100+ peak trips

2,000+ daily trips
TIA waiver available
Coordinate with Dallas DOT

City of Plano

100+ peak trips

Updated 2024 guidelines
PTIS may be required
Engineering Department review

City of Frisco

Site specific

Scoping meeting required
Fast-track available
Development Services review

City of Arlington

100+ peak trips

TIS or TIA accepted
Coordinate with TxDOT
Planning Department review

Fort Worth

Varies by zone

Blue Zones coordination
Multimodal focus
TPW Department review

City of Richardson

100+ peak trips

TIA required
NCTCOG coordination
Development Services review

City of McKinney

50+ peak trips

Lower threshold
Engineering review
Fast growing area focus

City of Irving

100+ peak trips

Standard requirements
Traffic Department
Transit coordination

City of Garland

Development specific

Case-by-case basis
Engineering review
DART coordination

TxDOT Dallas

State highway access

Engineering study/TIA
Access management
District coordination

Proven 6-Step TIS Process

From scoping to approval in 4-6 weeks

1

Scoping & Coordination (Week 1)

Pre-application meeting with city/county/TxDOT, study area definition, intersection selection, data collection requirements, special considerations identification. We handle all agency coordination.

2

Data Collection (Week 1-2)

Traffic counts (TMCs/ATRs), signal timing, geometric inventory, crash data analysis, planned developments research, background growth rates from NCTCOG models. Drone surveys available.

3

Trip Generation & Distribution (Week 2-3)

ITE Trip Generation Manual (11th Edition), local adjustments, pass-by/diverted/internal capture rates, multi-use reductions, distribution per gravity model or market analysis.

4

Capacity Analysis (Week 3-4)

Synchro/SimTraffic modeling, HCM 6th/7th Edition methodologies, existing/background/total future conditions, Level of Service analysis, delay calculations, 95th percentile queue analysis.

5

Mitigation Design (Week 4-5)

Turn lane warrants per TxDOT standards, signal timing optimization, access management recommendations, multimodal improvements, phasing strategies, cost estimates for improvements.

6

Report & Submittal (Week 5-6)

Comprehensive report with executive summary, clear exhibits and figures, review-ready formatting per agency standards, response to comments, public meeting support if required.

Expert Witness & Published Studies

Our traffic analyses stand up in city councils, planning commissions, and courts of law

⚖️ Expert Witness Testimony

  • City Council Presentations: 500+ successful presentations to Dallas, Plano, Fort Worth, and other city councils
  • Planning Commission: Regular expert testimony at zoning and planning hearings
  • Legal Proceedings: Qualified expert witness in traffic engineering matters
  • Public Meetings: Community engagement and stakeholder facilitation

📚 Published Municipal Records

  • Dallas City Hall: 2,000+ TIA/TIS studies in official records (Z167-295, PD-XXX series)
  • Contract #24-902: $369,923 traffic signal design services contract
  • NCTCOG Database: Studies cited in regional planning documents
  • TxDOT Records: State highway access permits and corridor studies

Notable Traffic Impact Studies on Public Record

Legacy West (Plano)

Mixed-use mega-development TIA

Bishop Arts District

Historic district traffic management

Dallas Medical District

Healthcare campus expansion TIS

AT&T Stadium Area

Entertainment district analysis

Toyota Music Factory

Event venue traffic management

SMU Campus Expansion

University area traffic study

Traffic Impact Study Questions

Get answers to common TIS/TIA questions

When is a Traffic Impact Study required in Dallas/DFW?

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In Dallas-Fort Worth, a Traffic Impact Study (TIS) or Traffic Impact Analysis (TIA) is typically required for developments generating 100+ peak-hour trips or 2,000+ daily trips. Cities like Dallas, Plano, Frisco, and Arlington have specific thresholds. DeShazo Group handles the scoping meeting to determine exact requirements and can often secure waivers for smaller projects.

What's the difference between TIS, TIA, TAS, and PTA?

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Traffic Impact Study (TIS) and Traffic Impact Analysis (TIA) are interchangeable terms for comprehensive traffic assessments. Traffic Assessment Study (TAS) is often a simplified version for smaller developments. Preliminary Traffic Assessment (PTA) is an initial evaluation to determine if a full study is needed. DeShazo Group has prepared all types since 1980.

How long does a Traffic Impact Study take in DFW?

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DeShazo Group typically delivers TIS/TIA in 4-6 weeks from data collection to city submittal, faster than the 6-10 week industry average. Our 45+ years of relationships with Dallas DOT, TxDOT, and NCTCOG help expedite reviews. Rush 3-week delivery is available for time-sensitive projects.

What is included in a School Traffic Management Plan?

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School TMPs include parent drop-off/pick-up circulation design, bus routing plans, pedestrian crossing analysis, staff duty post assignments, queue length calculations, Safe Routes to School assessments, signal timing recommendations, crossing guard placement per TMUTCD, and compliance with Dallas ISD requirements. DeShazo Group has completed 200+ school traffic plans.

How much does a Traffic Impact Study cost in Dallas?

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TIS costs vary by project size and complexity, typically ranging from $8,000-$25,000 for standard developments. Factors include number of access points, intersections studied, jurisdiction requirements, and need for signal warrant studies. DeShazo Group provides fixed-fee quotes within 24 hours of receiving project information.

Do you provide traffic counts and data collection?

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Yes, we provide comprehensive data collection including turning movement counts (TMCs), automatic traffic recorders (ATRs), pedestrian/bicycle counts, speed studies, gap studies, and drone surveys. We maintain equipment and trained staff for accurate, timely data collection throughout DFW.

Can you help if our TIS was rejected or needs revisions?

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Absolutely. We frequently assist with TIS revisions and resubmittals. Our team reviews previous comments, coordinates directly with reviewers, and provides targeted responses to expedite approval. Our long-standing jurisdiction relationships often help resolve complex issues quickly.

Start Your Traffic Impact Study Today

Don't let traffic concerns delay your project. Contact DeShazo Group for fast, accurate Traffic Impact Studies that get approved the first time.

📍 400 S. Houston St, Suite 330, Dallas