Granbury Guide Sources

Short answer: Granbury crash counts come from our own analysis of TxDOT CRIS records; the US 377 fatal-crash findings come from TxDOT's corridor study. Health and insurance claims link to the studies below, which are listed with the page that uses each.

Local data

Source	What we use it for
Original analysis of TxDOT CRIS data, 2021–2025, Granbury and the area within 15 miles of the city limits	Crash counts and shares for Granbury and the area within 15 miles of its city limits, 5 miles of the city, and city limits. Analysis
US 377 corridor update	33% of US 377 fatal crashes between Stephenville and Granbury; 55% of the road above the statewide crash rate
Hood County Thoroughfare Plan	Roads the county maps for frequent crashes

Studies

Study	Used on
Castro WH et al. European Spine Journal, 1997	A study finding no injury at low speed
Carroll LJ et al., Bone and Joint Decade 2000–2010 Neck Pain Task Force. Spine, 2008	Neck pain one year on
Pourmand A et al. American Journal of Emergency Medicine, 2024	Seat belt sign
Hartvigsen J, Boyle E, Cassidy JD, Carroll LJ. Archives of Physical Medicine and Rehabilitation, 2014	Concussion symptoms at six weeks
Siegmund GP et al. (PubMed 10384232)	Head restraint gap
Systematic review and meta-analysis of 82 studies, 2025	PTSD after crashes
Wiangkham T et al. PLOS One, 2015	Active vs. passive care
Verhagen AP et al. Cochrane review, Conservative treatments for whiplash	No single best treatment
CDC/NCHS Data Brief 466, 2023	ER visits for crash injuries
NHTSA, Economic and Societal Impact of Motor Vehicle Crashes, 2019 (Revised)	Cost of crashes
TxDOT, Crashes and Injuries by County, 2024	Hood County 2024 totals

Statutes

Texas Transportation Code §§550.026, 550.062, 550.065 and 601.072; Insurance Code §§1952.101 and 1952.152; Civil Practice and Remedies Code §§16.003 and 33.001. Lawyer-outcome studies are discussed on do you need a lawyer?

Last reviewed October 31, 2026. Medical review: pending. Sources are linked in each section and collected on our research library.