c-its.dev · notes on cooperative-ITS

writing

All writing, newest first.

The BTP port registry: the real count of C-ITS messages
ETSI C-ITS, Release 1 to Release 2: a standards map
measurementDeltaTime: the age of every object in a CPM
The CPM confidence field that TS 103 324 never pins down
The message that tells your car where to park, and what comes next
C-ITS architecture: four layers and two planes
The cyclist can be sold a radio; the pedestrian only has a phone
V2X in mid-2026: where it's deployed, where it's stalled
The post-quantum deadline is set by the oldest car on the road
ETSI TS 103 324 (CPM): from study to standard
The business model V2X was missing was a crash test
The CPOC Annex I naming trap
One hazard, three road-data worlds that don't talk to each other
OpenSCMS: a read of the 1609.2.1 credential lifecycle
ETSI C-ITS message set — a 5-minute tour
Welcome to c-its.dev