public key infrastructure based on X.509 certificates

Electronic Fee Collection (EFC) ? CEN/TC 278/WG 01, ISO/TC 204/WG 05

Freight, Logistics and Commercial Vehicle Operations ? CEN/TC 278/WG 02, ISO/TC 204/WG 07

Public Transport ? CEN/TC 278/WG 03, ISO/TC 204/WG 08

Traffic and Travel Information ? CEN/TC 278/WG 04, ISO/TC 204/WG 10

Traffic Control Systems ? CEN/TC 278/WG 05, ISO/TC 204/WG 09

ITS Spatial data and ITS Database technology ? CEN/TC 278/WG 07, ISO/TC 204/WG 03

Road Traffic Data ? CEN/TC 278/WG 08

Dedicated Short Range Communications ? CEN/TC 278/WG 09

Automatic Vehicle and Equipment Identification (AVI/AEI) ? CEN/TC 278/WG 12, ISO/TC 204/WG 04

ITS Architecture ? CEN/TC 278/WG 13, ISO/TC 204/WG 01

Recovery of stolen vehicles ? CEN/TC 278/WG 14

Vehicle/roadway warning and control systems ? ISO/TC 204/WG 14

eSafety (eCall) ? CEN/TC 278/WG 15

Communications ? ISO/TC 204/WG 16

Nomadic Devices in ITS Systems ? ISO/TC 204/WG 17

Human-Machine Interfacing ? CEN/TC 278/WG 10, ISO/TC 22/SC 39

Urban ITS ? CEN/TC 278/WG 17

Cooperative systems ? CEN/TC 278/WG 16, ISO/TC 204/WG 18

PKIX - public key infrastructure based on X.509 certificates