You flip on your turn signal, check your mirror, and start to merge. Seconds later, you’re on the shoulder trading insurance information with an angry driver and a crumpled fender.
It’s one of the most common misconceptions on Texas roads: once your blinker is on, other drivers have to let you in. The reality: they don’t. Under Texas turn signal right of way laws, a blinker tells other drivers what you plan to do. It does not give you permission to do it.
This misunderstanding causes sideswipe crashes every day on busy DFW roads like I-35, I-635, and the Dallas North Tollway. If you were the one hit by a driver who “signaled first,” here’s what you need to know.
What Texas Law Actually Says About Turn Signals
Two sections of the Texas Transportation Code lane change rules matter most.
Section 545.104: A Signal Shows Intent, Not Permission
Texas Transportation Code § 545.104 requires drivers to use a turn signal to show they intend to turn, change lanes, or pull away from a parked position. Notice the key word: intent. A signal is a warning to others. It is not a command other drivers must obey.
Section 545.060: Lane Changes Must Be Safe
Texas Transportation Code § 545.060 says a driver must stay as nearly as practical within a single lane and may not move out of that lane unless the move can be made safely.
In practice, this means:
- The driver changing lanes carries the burden. They must confirm the space is clear before moving over. On a Police Crash Report the infraction is often referenced as an “Unsafe Lane Change.” Semi-trucks and commercial vehicles are the most common culprits due to all the blind spots.
- The vehicle already in the lane generally holds the right of way. Drivers in that lane are not required to brake or swerve to make room.
- A blinker does not excuse an unsafe move. Signaling and then merging into an occupied lane can still break the law.
The Texas Department of Transportation reinforces the same safe-driving basics: check your mirrors, check your blind spot, and signal well before you move.
“But I Signaled!” Is Not a Defense
After a sideswipe, the driver who merged often tells the insurance company their blinker was on. Adjusters hear this all the time. Signaling is required by law, but it doesn’t prove the lane change was safe. When deciding who is at fault in a sideswipe accident in Texas, the real question is whether the merging driver had enough room to move over without hitting anyone.
Still, insurance companies are always looking for ways to pay less. They may claim you were speeding, lingering in the other driver’s blind spot, or distracted. Any fault they can pin on you lowers what they owe. Their adjusters are skilled at finding any way they can to try to shift the blame onto you, even when their own driver clearly caused the crash.
Texas’s 51% Modified Comparative Negligence Rule
Texas follows a modified comparative negligence rule, often called the “51% bar”:
- If you are 50% or less at fault, you can recover damages, but your award is reduced by your share of the fault.
- If you are 51% or more at fault, you cannot recover anything.
For example, if your damages total $100,000 and you’re found 20% at fault, you could recover $80,000.
That’s why the fault split matters so much. Experienced Dallas car accident lawyers know how to push back when an insurer tries to shift blame onto the person who was simply driving in their own lane. Before you accept any offer or give a recorded statement, let our personal injury team review the facts of your case.
Critical Evidence to Prove You Had the Right of Way
Strong evidence can shut down the “I signaled” argument fast. Key proof includes:
- Dashcam video: Shows exactly when the other driver signaled and when they moved over.
- Point-of-impact vehicle damage: Scrapes along your front quarter panel or side often show the other car moved into you. That’s why it’s so important to photograph your car, the other driver’s car, and the surrounding area, as long as it’s safe to do so.
- Eyewitness statements: Neutral witnesses can confirm you were already established in your lane.
- Official police crash reports: Officers note contributing factors, such as an unsafe lane change, and may issue a citation.
Once you’re home safely, you should also request a copy of your Texas crash report (Form CR-3).
How O’Hare & Koch Law Firm Can Help
For over 25 years, O’Hare & Koch Law Firm has helped injured Texans stand up to stubborn insurance adjusters across the Dallas-Fort Worth metroplex. We know how insurers build their arguments, and we know how to take them apart with evidence.
When you work with us, you get a free consultation and a strict “No Fee Unless We Win” promise, which means you pay nothing unless we win your case.
If you were hurt in a lane-change or sideswipe crash in Dallas, Carrollton, or anywhere across DFW, don’t let an insurance company decide who was at fault. Talk to a DFW car accident attorney who will fight for the full compensation you deserve. Contact O’Hare & Koch Law Firm today to schedule your free case evaluation.
