ADVENTURES BY DAWN L L C
ADVENTURE TOURS
- 779981
-
17517 B INDIAN HEAD HWY
ACCOKEEK, MD 20607 - 101
- 166
- 297
Safety Rating & OOS Rates AND Licensing and Insurance
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
BASIC Status
(Public Passenger Carrier View)
Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending May 15, 2026
-
Unsafe Driving
-
Not Public Crash Indicator
-
Hours-of-Service Compliance
-
Vehicle Maintenance
-
Controlled Substances and Alcohol
-
Not Public Hazardous Materials Compliance
-
Driver Fitness
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Denotes this carrier exceeds the FMCSA Intervention
Threshold relative to its safety event grouping based upon
roadside data and/or has been cited with one or more Acute/Critical Violations within the
past 12 months during an investigation. Therefore, this carrier may be prioritized
for an intervention action and roadside inspection.
Vehicle Maintenance
On-Road Performance
0.05
Safety Event Group: 101-500 relevant vehicle inspections
Intervention
Threshold
Scale 0 to 100; 0 indicates the best safety performance.
0% of motor carriers in the same safety event group have better on-road performance than this motor carrier.
Investigation Results
No Acute/Critical Violations Discovered
Carrier Measure Over Time
- Trends
This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.
- 1
- 0.75
- 0.5
- 0.25
- 0
- -0.25
- Dec 26
- Jan 30
- Feb 27
- Mar 27
- Apr 24
- May 15
- 2025
- 2026
- 2026
- 2026
- 2026
- 2026
| Dec 26 2025 | Jan 30 2026 | Feb 27 2026 | Mar 27 2026 | Apr 24 2026 | May 15 2026 | |
|---|---|---|---|---|---|---|
| Measure | 0.05 | 0.06 | 0.06 | 0.07 | 0.05 | 0.05 |
| Measure | 0 | 0 | 0 | 0 | 0 | 0 |
Violation Summary
Vehicle Maint. Violations: 7
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight |
|---|---|---|---|---|
| 393.62(a) | No or Defective bus emergency exits | 1 | 1 | 1 |
| 393.81 | Horn inoperative | 1 | 0 | 3 |
| 393.83(d) | Improper exhaust - Bus (Powered by other than Gasoline) | 1 | 1 | 1 |
| 393.83D-ELNGPB | Exhaust System - Other than Gasoline - Exhaust system leaking or discharging under the chassis more than 15 inches (38.1 cm) forward of the rear-most part of the bus | 1 | 1 | 1 |
| 393.9 | Inoperable Required Lamp | 1 | 0 | 2 |
| 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | 1 | 0 | 2 |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | 1 | 0 | 2 |
Inspection History
Vehicle Inspections: 279
Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.
| Report | Vehicle | Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
Total Weight (TotW) |
||
| Sum of measure weights | Sum of measure weights | 18 | 411 | 23 | ||||||
*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.
Investigation Results
Vehicle Maint. Acute/Critical Violations: 0
This carrier has no Vehicle Maintenance Acute/Critical Violations to display.
Summary of Activities
The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.
- 7/25/2025 (Compliance Review)
-
297
- 271
- 26
- : 4
*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.
Continue for more Crash, Inspection & Investigation DetailsCarrier Registration
Carrier Registration Details Subject to Passenger Threshold Update Registration InfoInspection Selection System
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
Enforcement Cases
(Six years as of 06/12/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 779981
Complete SMS Profile Carrier History DownloadsUse of SMS Data/Information
FAST Act of 2015:
Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.
Safety Measurement System:
The data in the Safety Measurement System (SMS) is performance data used by the
Agency and Enforcement Community. A
symbol, based on that data, indicates that FMCSA may prioritize a motor carrier
for further monitoring.
The
symbol is not intended to imply any federal safety rating of the carrier pursuant
to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety
condition simply based on the data displayed in this system. Unless a motor carrier
in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part
385, or has otherwise been ordered to discontinue operations by the FMCSA, it is
authorized to operate on the nation's roadways.
Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.