Services
Document a loss
Support a claim
For carriers and employers
Service areas
Middle Tennessee
- Nashville
- Clarksville
- Murfreesboro
- Franklin
- Hendersonville
- Smyrna
- Spring Hill
- Gallatin
- Lebanon
- Columbia
- Brentwood
- Mount Juliet
- La Vergne
- Cookeville
East Tennessee
West Tennessee
Nighttime and Low-Light Accident Documentation
When a collision happens after dark, daytime photographs of the scene answer the wrong question. Delator Claims Division sends licensed Tennessee private investigators back at the hour of the incident to record what the lighting and the approach looked like.
- Coverage
- 95 of 95 counties
- Dispatch
- 24 / 7 / 365
- Metro response
- Under 60 min avg.
- Statewide
- 4-hour guarantee
What this service covers
After-dark collisions are argued in terms of what could be seen: a pedestrian in dark clothing, a disabled car without lights, a trailer crossing a lane, a curve that arrived sooner than expected. The physical scene in daylight says little about any of that. What matters is the light that was present at that hour, where it fell, and where it did not, and those conditions are specific to the time, the season and the equipment that happened to be working.
Our investigators visit at the same clock time and, where the requester asks, on a night with comparable moon and sky conditions. They record the scene in still photographs and video with the camera settings logged, because a camera does not render darkness the way a human eye does. The field notes describe what the investigator could and could not make out at measured distances. For claimants and their attorneys this is neutral documentation, not an opinion on fault.
When an after-dark site visit is worth requesting
- A pedestrian or cyclist was struck at night and the parties disagree about whether the person could be seen in time.
- A driver hit a stopped or disabled vehicle on an unlit stretch and there is a question about its lights or reflectors.
- The police report describes the area as dark or lighted, and one side believes that description does not match the location.
- A carrier wants the lighting recorded before the season changes the hour of sunset and the foliage around the fixtures.
- An attorney needs approach video at the incident hour for a consulting expert who will perform a separate visibility analysis.
What a same-hour visit records
- Light sources along the approach
- Every source that reaches the roadway, including streetlights, parking lot fixtures, storefront and sign lighting, with each one noted as lit, dark, flickering or blocked.
- Lit and unlit zones on the pavement
- Where pools of light and gaps between them fall along the travel path, measured from a fixed reference so they can be placed on a diagram.
- Driver-perspective video
- A pass along each party's approach at the incident hour, recorded from driver eye height with headlights on low beam and the speed noted.
- Camera settings and conditions
- Exposure, lens and ISO for each image, plus sky cover, moon phase, pavement wetness and the time, so viewers know how the images relate to the scene.
- Reflective and contrast features
- How lane lines, raised markers, delineators, sign faces and a vehicle's own reflectors return headlight beams, and what background the area of impact sits against.
- Vehicle lamp condition
- Where the vehicles are available, the state of headlamps, tail lamps, marker lights and lenses, including clouding, damage, missing bulbs and switch positions as found.
From request to delivered record
- RequestCall dispatch or submit the request form with the location, loss type and urgency.
- DeployDispatch assigns the nearest available licensed field investigator through the statewide network.
- DocumentPhotographs, video, measurements and factual notes are captured once the scene is safe to work.
- PreserveFiles are timestamped, organized and kept in their original form with a record of who captured them.
- ReportThe package is delivered securely to the requesting party, typically the same day.
Why the lighting record has a short shelf life
Night conditions change without anyone touching the roadway. Sunset in Tennessee moves by a minute or more a day in spring and fall, so an incident that happened in full darkness at a given clock time may fall in twilight a few weeks later. Trees leaf out and block fixtures that were clear in winter. A burned-out streetlight is replaced on the utility's schedule, and nothing at the pole records the date it went dark or came back.
Private lighting is even less stable. A business changes its hours, replaces a sign, or switches a lot from older lamps to brighter fixtures, and the ambient light at the curb is different from then on. For that reason the date of our visit, the gap since the incident, and any visible signs of recent change, such as a new fixture head or fresh pruning, are written into the field notes. The record shows the scene on the night we were there and says so.
What these photographs can and cannot show
A night photograph can be made to look brighter or darker than the scene simply through exposure, and both sides of a dispute know it. We therefore log the settings for every frame, shoot fixed reference frames at several exposures, and add written observations made on site, for example the distance at which a dark object on the shoulder first became distinguishable. That combination gives an adjuster, attorney or retained expert a documented starting point instead of a single image of uncertain meaning.
The documentation does not establish what a particular driver saw or how quickly that driver could have reacted. Those are questions of perception and analysis that depend on the person, the vehicle and the speed, and they belong to the parties and any expert they retain. Our role on a neutral assignment is to record the lighting environment accurately at the relevant hour and to describe the limits of the record.
On this assignment Delator field personnel record what is physically present: photographs, video, measurements and factual notes. They do not adjust, appraise or value the loss, do not determine coverage, cause or fault, and do not represent any party to the claim.
Delator Claims Division is not a law firm, an insurer or an engineering firm, and nothing on this page is legal advice.
Common questions about this service
Do you really go back at the same time of night?
Yes. The visit is scheduled for the clock time of the incident, and the dispatcher will ask whether you also want comparable moon and weather conditions. If an exact match is not practical before the lighting is likely to change, we document the scene promptly and record how conditions differed.
The streetlight has been fixed since the crash. Can that be documented?
We can record the fixture as it is now, its pole number and any signs of recent service. We cannot observe its earlier state. Maintenance records are held by the utility or the agency responsible for the light, and requesting them is a step for you or your attorney.
Can your photographs be used by a visibility expert?
They are prepared with that use in mind: settings logged, positions measured and conditions noted. Whether an expert relies on them, and how a court treats them, is outside our control. Some experts prefer to attend the site visit, and we can coordinate timing with them.
Is it safe to document a dark roadway with traffic on it?
Investigators work from the shoulder, sidewalks and adjacent property open to the public, wear high-visibility gear and do not stop traffic. Driver-perspective video is recorded while moving with traffic. If a position cannot be reached safely, the notes say so and explain what was used instead.
Available statewide, including
Every Tennessee county is covered. See the deployment map for typical response tiers by county.
Request documentation anywhere in Tennessee
Dispatch is staffed around the clock. For time-sensitive scenes, calling is fastest; the request form works for routine and scheduled assignments.