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
Head-On Collision Documentation in Tennessee
Head-on collisions usually come down to one question: which vehicle left its lane. DCD documents the centerline, the area of impact, the frontal damage and the road alignment for attorneys, adjusters, fleet and risk managers, and families who need a neutral record.
- Coverage
- 95 of 95 counties
- Dispatch
- 24 / 7 / 365
- Metro response
- Under 60 min avg.
- Statewide
- 4-hour guarantee
What this service covers
When two vehicles travelling in opposite directions collide, the energy involved is high and the occupants are frequently unable to give an account afterward. The claim then depends heavily on physical evidence. The location of the impact relative to the centerline, the overlap between the two front ends and the path each vehicle followed before contact are the facts that others will use to work out which vehicle crossed over.
Typical settings are undivided two-lane roads, curves and hill crests, passing zones and, less commonly, a divided highway entered the wrong way. A DCD investigator records the road alignment and markings over a long approach in both directions, locates gouges and fluid at the impact area by measurement, and photographs both vehicles. We document. We do not decide who crossed the line.
When opposing-direction crashes are documented
- Each surviving driver or passenger says the other vehicle crossed the centerline and there is no independent witness.
- The collision happened on a curve or hill crest and the available sight distance in each direction needs to be measured.
- One driver was overtaking, and the start and end of the passing zone relative to the impact area are in question.
- A vehicle left the pavement on the right, returned and crossed into oncoming traffic, and the shoulder edge needs documenting.
- An estate's attorney or a carrier needs the scene recorded quickly because no occupant is able to describe what happened.
Centerline, alignment and frontal evidence
- Impact area relative to centerline
- Gouges, scrapes and the heaviest fluid deposit located by measurement from the centerline and edge lines to show the lane where contact occurred.
- Frontal overlap and offset
- The width of engagement on each front end and whether contact was full, driver-side offset or corner to corner, photographed with scale.
- Centerline and passing-zone markings
- Solid and broken centerline segments, their start and end points, rumble strips and raised markers along the approach in both directions.
- Curve and crest sight distance
- Photographs and measured distances showing where an oncoming vehicle first becomes visible from each direction at driver eye height.
- Shoulder and pavement edge
- Shoulder width, surface, edge drop-off height and any tire furrows in gravel or grass indicating a vehicle left and re-entered the travel lane.
- Wrong-way entry points
- On divided highways, the ramps, crossovers and signs along the route a wrong-way vehicle may have used, photographed from the driver's view.
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.
Locating the impact when the vehicles do not stay there
After a head-on collision the vehicles seldom rest where they met. They may rotate apart, rebound or be carried into a ditch. Rest positions alone therefore say little about which lane the impact occurred in. The better indicators are on the pavement: gouges cut by suspension and frame parts as the front ends are driven down, the dense patch of coolant and oil released at contact, and the start of the debris scatter.
Gouges are the most durable of these and can remain until the road is resurfaced. Fluid stains and debris are more fragile. We measure each mark from the centerline and from a fixed roadside reference so the positions can be plotted later. Photographs are taken along the road in both directions and across it. The report states where marks were found. It does not state which vehicle crossed, which is a conclusion for others.
Road alignment, markings and the approach to the collision
A head-on collision is often the end of a longer sequence. A vehicle may have drifted on a curve, run off the right edge and overcorrected, or pulled out to pass. Documenting several hundred feet of approach in each direction captures the features that bear on those possibilities: the curve as it appears to a driver, the banking of the road, centerline condition, rumble strips, edge drop-offs, and tire furrows on the shoulder.
Shoulder furrows and marks in grass disappear with the next mowing or rain, and faded centerlines may be repainted. Early documentation preserves them. Where the collision involved a commercial vehicle or a fatality, one side or the other may later commission a reconstruction. Delator's personnel have accident reconstruction experience, and scene data gathered carefully at the outset reduces reliance on estimates. Neutral documentation and reconstruction remain separate assignments with separate scopes.
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
Can your documentation show which vehicle crossed the centerline?
It records the evidence that bears on that question, including where gouges, fluid and debris lie relative to the centerline. DCD does not draw the conclusion on a neutral assignment. The measurements and photographs are provided so that adjusters, attorneys, a reconstruction analyst or the court can evaluate them.
The road has reopened and been cleaned. Is it too late?
Not necessarily. Pavement gouges often remain after cleanup, and the alignment, markings, sight distances and shoulder conditions can still be recorded. Fluid stains and shoulder furrows may be gone. The report states the date of the visit and what was and was not present, so readers understand its limits.
Do you work with families after a fatal collision?
Yes. A family member or their attorney can request neutral documentation of the scene and vehicles. We record evidence and deliver it to the requesting party. We do not advise on the claim, on deadlines or on legal strategy, and we are not a law firm. Questions of that kind belong with a licensed attorney.
Can you coordinate with the agency that investigated the crash?
We can note which agency responded and the report number if you provide it, and document the scene independently. Official reports, photographs and any agency reconstruction are obtained by the requesting party through that agency's records process. Our documentation is separate from, and does not replace, the official investigation.
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.