| Title | System Capability Assessment of Cooperative Intersection Collision Avoidance System for Violations (CICAS-V) |
|---|---|
| Record ID | 43058 |
| Personal Name Creator |
Brewer, John; Koopmann, Jonathan; Najm, Wassim G. |
| Corporate Creator | John A. Volpe National Transportation Systems Center (U.S.) |
| Publisher | United States. Department of Transportation. National Highway Traffic Safety Administration |
| Publication Date | 20110701 |
| Language | English |
| Abstract | This report describes the system capability assessment for the Cooperative Intersection Collision Avoidance System for Violations (CICAS-V) based on data collected from objective tests and a pilot test. The CICAS-V is a vehicle-to-infrastructure system that provides visual, audio, and haptic (brake pulse) warnings when a vehicle is in danger of violating a traffic signal or stop sign at an intersection. A series of objective tests were conducted at the Virginia Tech Transportation Institute. Each test was defined by an initial geometry, a set of validity constraints (such as the sufficient GPS accuracy), and a set of pass/fail criteria. The test series investigated the ability to appropriately warn or not warn at various speeds, in appropriately discerned lanes, under dynamic lane changes, under changing signal conditions, and in the presence of multiple equipped intersections. A pilot test was run with nearly 100 naïve drivers on a two-hour prescribed course in the Blacksburg, VA area. During the pilot test, drivers were appropriately warned when in danger of violating an obscured stop sign and when intentionally distracted. An algorithm was found to produce occasional nuisance warnings and remedied. An erroneous lane location in a geographical intersection description and a de-synchronized set of roadside equipment also produced some nuisance warnings and were also remedied. |
| Rosap ID | dot:9502 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/9502 |
| TRT Terms | Signalized intersections; Warning systems; Field tests; Drivers; Traffic violations; Intelligent transportation systems; Dedicated short range communications; Stop signs |
| General Subjects | Roads--Interchanges and Intersections; Warnings; Field experiments; Automobile drivers; Traffic violations; Intelligent transportation systems; Traffic signs and signals |
| Classification | NTL - SAFETY AND SECURITY - Transit Safety and Security; NTL - SAFETY AND SECURITY - Highway Safety; NTL - SAFETY AND SECURITY - Accidents |
| Geographical Coverage |
United States |
| Contract Number | HS-51A1; DTNH22-08-V-00017 |
| Report Number | DOT-VNTSC-NHTSA-11-08; DOT HS 811 499 |
| Availability | Volpe National Transportation Systems Center, Technical Reference Center |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/43000/43000/43058/DOT-VNTSC-NHTSA-11-08.pdf |
| Alternative URL | http://www.nhtsa.gov/DOT/NHTSA/NVS/Crash%20Avoidance/Technical%20Publications/2011/811499.pdf |
| Format | |
| Database | NTL Digital Repository |