DOT Drug Testing - Denison, TX

FMCSA-USCG-FTA-FRA-FAA-PHMSA

With 35 testing centers in the Denison area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

35 DOT Drug-Testing Centers in Denison

Minutes Away, Test Today

3126 W Fm 120

2.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3126 W Fm 120
Denison, TX 75020

3601 N Calais St

6.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3601 N Calais St
Sherman, TX 75090

913 Cottonwood Dr

7.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
913 Cottonwood Dr
Sherman, TX 75090

2001 N Loy Lake Rd Ste M

7.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2001 N Loy Lake Rd Ste M
Sherman, TX 75090

2915 N Travis St Ste 2

7.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2915 N Travis St Ste 2
Sherman, TX 75092

2500 N Travis St

8.01 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM • Sat: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
2500 N Travis St
Sherman, TX 75092

1010 La Salle Dr, Suite 2 Eb

9.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1010 La Salle Dr, Suite 2 Eb
Sherman, TX 75090

501 N Highland Ave Ste 300

9.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
501 N Highland Ave Ste 300
Sherman, TX 75092

398 N 49th Ave

18.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
398 N 49th Ave
Durant, OK 74701

204 N 10th St

19.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
204 N 10th St
Durant, OK 74701

1807 W University Blvd

19.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1807 W University Blvd
Durant, OK 74701

1800 W University Blvd

19.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1800 W University Blvd
Durant, OK 74701

1610 W University Blvd

19.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1610 W University Blvd
Durant, OK 74701

1706 Delivery Ln

19.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1706 Delivery Ln
Durant, OK 74701

109 E Main St

20.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
109 E Main St
Bokchito, OK 74726

2201 N State Highway 121

21.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2201 N State Highway 121
Bonham, TX 75418

954 W Van Alstyne Parkway

23.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
954 W Van Alstyne Parkway
Van Alstyne, TX 75495

504 Lipscomb St

24.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
504 Lipscomb St
Bonham, TX 75418

4302 County Road 4640

25.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4302 County Road 4640
Trenton, TX 75490

901 S 5th Ave

26.53 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
901 S 5th Ave
Madill, OK 73446

207 E Taliaferro St

26.69 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
207 E Taliaferro St
Madill, OK 73446

1625 N Grand Ave

35.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1625 N Grand Ave
Gainesville, TX 76240

426 N Grand Ave

35.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
426 N Grand Ave
Gainesville, TX 76240

800 Hwy 82

35.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 Hwy 82
Gainesville, TX 76240

300 Wanda St

36.45 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
300 Wanda St
Marietta, OK 73448

910 W University Dr

37.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
910 W University Dr
Mckinney, TX 75069

1515 Heritage Dr, Ste 100

37.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1515 Heritage Dr, Ste 100
Mckinney, TX 75069

809 N Central Expy

38.54 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
809 N Central Expy
Mckinney, TX 75070

130 S Central Expy

38.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
130 S Central Expy
Mckinney, TX 75070

1920 W Eldorado Pkwy

40.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1920 W Eldorado Pkwy
Mc Kinney, TX 75069

2810 S Hardin Blvd

41.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2810 S Hardin Blvd
Mckinney, TX 75070

7145 N George Bush Hwy

41.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7145 N George Bush Hwy
Garland, TX 75044

4510 Medical Center Dr Ste 212

41.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4510 Medical Center Dr Ste 212
Mckinney, TX 75069

4510 Medical Center Dr, Ste 310

41.58 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 04:30 PM
4510 Medical Center Dr, Ste 310
Mckinney, TX 75069

301 W Main St

44.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 W Main St
Frisco, TX 75034

DOT Drug Testing, DOT Consortium, DOT Physicals, FMCSA Clearinghouse, Serving All DOT modes

We have 35 DOT drug testing locations to serve you in and around Denison, TX.

Our Denison, TX facilities and nearby locations offer DOT Drug and Alcohol Testing, Physicals, and various compliance services, including random pool and consortium enrollment, necessary for adherence to 49 CFR Part 40 across all DOT sectors like FMCSA, FTA, FAA, USCG, FRA, and PHMSA. Most locations are a short trip from your home or office with same-day services usually available.

Choose the desired DOT service or testing type and pick a convenient local center for conducting the test, whether it's for individual use, employee screening, or any other requirement. Effortlessly set up your DOT drug testing in Denison through our straightforward and efficient process.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

Denison, Texas DOT Services

DOT Drug Testing & Services Available in Denison, TX:

In Denison, TX, Accredited Drug Testing provides comprehensive DOT services, from drug and alcohol tests to regulatory compliance activities, enhancing workplace safety and standards.

DOT Services in Denison, TX

DOT regulations focus on ensuring workplace safety in Denison, TX. Employee testing upholds standards by screening for substances that impair performance.

Denison, Texas employers must comply with DOT rules, administering regular drug and alcohol tests to maintain safe working conditions.

Random testing in Denison, TX prevents substance abuse and ensures transparent practices for a secure work environment.

Employee safety in Denison, Texas relies on adherence to DOT testing standards, protecting both employers and workers from potential hazards.

FMCSA Information

FMCSA enforces strict testing rules to promote road safety in Denison, Texas.

Denison, TX commercial drivers must undergo FMCSA-regulated substance screenings.

USCG Information

USCG enforces testing for maritime safety in Denison, TX.

Mariners in Denison, Texas adhere to USCG drug and alcohol regulations.

FAA Information

FAA mandates drug and alcohol tests for aviation personnel in Denison, TX.

Safety in Denison, Texas is supported by FAA-regulated screening procedures.

FRA Information

FRA testing rules in Denison, TX prevent impaired rail operations.

Safe railroad activities in Denison, Texas are ensured by FRA compliance.

FTA Information

FTA testing in Denison, TX is vital for safe public transit operations.

Public transport safety in Denison, Texas depends on FTA-mandated screenings.

PHMSA Information

PHMSA tests ensure safe handling of hazardous materials in Denison, TX.

Regular PHMSA testing is required for compliance in Denison, Texas.

Scheduling in Denison, TX

To arrange a DOT drug or alcohol test in Denison, TX, contact us at (800) 221-4291 or use our online express registration. Register before arriving at the testing center.

Your zip code will help locate the nearest DOT testing center in Denison, Texas. A donor pass with the local center's details will be emailed to you. Present this pass on paper or electronically when attending your test. Generally, appointments aren't needed, but registration and payment are required upfront.

We ensure accuracy with SAMHSA-certified labs and Medical Review Officers (MRO) on staff who verify results.

Besides Denison, TX, Accredited Drug Testing operates multiple centers across surrounding areas.

Wherever you travel, Accredited Drug Testing can facilitate your tests with numerous centers nationwide, available anytime and anywhere.

Texas Dept. of Transportation Updates

DUI Statistics in Denison, TX

Driving under the influence (DUI) remains a significant concern for Denison, TX, and the broader Grayson County. The Texas Department of Transportation (TxDOT) frequently reports on the impact of DUI incidents in this region. In the latest annual evaluation, Grayson County recorded a notable number of DUI-related accidents. The state's efforts to mitigate these incidents through various programs, including law enforcement training and public awareness campaigns in Texas, reflect the importance of addressing alcohol-impaired driving. The county's law enforcement agencies have increased DUI checkpoints, striving to reduce occurrence rates. Denison has shown progress but continues to work towards minimizing the presence and impact of DUI circumstances through educational initiatives and legal consequences for offenders.

Drug-Involved Accidents in Grayson County, TX

In Denison, TX, and the surrounding Grayson County, the involvement of drugs in vehicular accidents presents ongoing challenges. Recent data from TxDOT highlights the persistent issue of drug-related automobile incidents. While both illegal and prescription drugs contribute to these statistics, the enforcement agencies prioritize educational campaigns to inform citizens of the dangers associated with drug-impaired driving. Texas, as a whole, and Grayson County, in particular, have seen initiatives aimed at reducing these numbers, such as drug recognition expert programs and community outreach. The collaborative efforts between local law enforcement and health organizations underscore the commitment to decreasing such accidents, ensuring safer roads for Denison citizens.

Marijuana-Related Accidents in Denison, TX

Marijuana usage and its impact on road safety in Denison, TX, form a critical part of traffic safety analyses. The increased accessibility of marijuana has correlated with an uptick in marijuana-influenced driving incidents, according to Grayson County's latest reports. Texas' laws and efforts to combat impaired driving are underscored by targeted patrols and educational endeavors aimed at young drivers in particular. The TxDOT data shows a need for continual public awareness and intervention strategies, particularly as legislative changes regarding marijuana evolve. Denison remains vigilant in decreasing marijuana-related accidents through various proactive measures, including increased traffic surveillance and community education programs about the impairments caused by marijuana consumption while driving.

Denison Drug Testing

Quickly find trusted local drug testing centers in Denison, TX — fast, convenient, and reliable every time!

Denison DOT Drug Testing

Quickly find a local DOT drug testing center in Denison, TX — fast, reliable, convenient nationwide service!

Denison DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Denison, TX.

Denison Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Denison, TX.

Denison Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Denison, TX locations—results you can trust, every time!

Denison Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Denison, TX.

Denison Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Denison, TX.

Denison 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Denison, TX employers and individuals nationwide.

Denison 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Denison, TX workplace and personal testing needs.

Denison On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Denison, TX workplace compliant.

Denison DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Denison, TX drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT drug test is a federally regulated drug test required for safety-sensitive transportation employees, such as CDL drivers. It is collected and processed under specific DOT procedures (49 CFR Part 40), including strict chain of custody, certified lab analysis, and documented results appropriate for DOT compliance."
DOT testing applies to employees in safety-sensitive roles, including commercial drivers and other regulated transportation workers. Employers must ensure pre-employment testing, random testing, post-accident testing, reasonable suspicion testing, return-to-duty, and follow-up testing are performed as required."
Yes. Accredited Drug Testing maintains access to DOT-compliant collection sites nationwide. Drivers and employers can schedule testing at a nearby location for required DOT drug and alcohol tests, including urgent post-accident or reasonable suspicion testing."
DOT-required testing includes pre-employment, random, post-accident, reasonable suspicion/reasonable cause, return-to-duty, and follow-up testing. For alcohol, evidential breath testing devices are used to document alcohol concentration following DOT protocol."
Yes. Solo CDL drivers and owner-operators are still subject to DOT testing requirements. They must participate in a compliant random testing program and complete required testing events using DOT-approved processes. Accredited Drug Testing assists in meeting these obligations."
If a DOT drug test screen is not negative, the specimen is sent for confirmatory testing using more specific laboratory methods. Final results are documented and reported according to DOT rules. An employee who has a violation must complete the DOT return-to-duty and follow-up process before resuming safety-sensitive work."
Yes. DOT drug and alcohol test results are released only to authorized employer representatives and are maintained in compliance files for DOT purposes. Results are handled in a controlled and confidential manner."
Yes. Accredited Drug Testing supports urgent post-accident and reasonable suspicion testing because DOT rules require timely documentation of possible impairment following an incident or observed behavior in a safety-sensitive environment."

Customer Reviews

Great experience

Great experience and great lab. Customer service agent was very helpful.

Jenna Bee - 2/19/2025

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


(800) 221-4291