Integrated Mobility SolutionsIntegrated Mobility Solutions

Connected Vehicle

Every day, thousands of people carry a mobile device or navigation system with them when they travel. If everyone’s mobile devices and vehicle navigation systems were connected, drivers could be warned of potential dangers that exist on the roadways, allowing them to make adjustments to avoid collisions before they even happen.

Connected Vehicle Technology

This is the idea behind the United States Department of Transportation’s (USDOT) Connected Vehicle (CV) initiative, which enables safe, interoperable networked wireless communications among vehicles, the infrastructure and passenger’s personal communications devices. CV technology will also help to cut down on fuel use and pollution by making the roadways smarter and more efficient for drivers.

In 2013, the National Highway Traffic Safety Administration will decide whether to require CV technology on future vehicles as a safety device, like seat belts and air bags. This decision would lead to full CV technology implementation in vehicles around the 2020 model year.

Get Connected Vehicle Ready

CV technology can provide a significant impact on roadway safety, especially during widespread emergencies. This could potentially decrease public agencies’ litigation costs due to fewer collisions. Municipalities can begin preparing for this mandate today using existing budgets and cost-sharing CV Roadside Equipment and maintenance among Traffic, Transit and Emergency Agencies. Since new features and functions can be uploaded as software apps, local universities and entrepreneurs can begin developing transportation apps.

Major Components

Siemens Roadside Equipment

Siemens Roadside Equipment Roadside Equipment provides 5.9 GHz of short range wireless communications between infrastructure and vehicles. Compliant with the U.S. Department of Transportation Connected Vehicle wireless standards, this equipment increases intersection safety for motoroists.


  • Standard transponder to vehicles

  • Intersection safety

  • Lane placement location

  • Vehicle lane departure warning

  • Red light violation warning


  • Outdoor access point for up to 3 radio modules

  • Dedicated radio module for control channel, service channels and optional dedicated radio module for WiFi

  • Single CAT 5 power over Ethernet cable

  • Society of Automotive (SAE) J2735 message set for commercial vehicles

  • Signal Status Message (SSM)

  • Signal Phase and Timing (SPAT)

Emergency Message Set Software

Emergency Message set software enables safe, interoperable, networked wireless communications to preempt traffic signals and alert nearby drivers of approaching emergency vehicles. This software makes surface transportation safer and smarter for emergency vehicles.


  • Conforms to Connected Vehicle and SAE J2735 Message Set for Commercial Vehicles

  • MSG_SignalRequestMessage for preemption request

  • MSG_SignalStatusMessage for preemption confirmation

  • MSG_EmergencyVehicleAlert warning to nearby drivers

  • Simple upload to installed Roadside Equipment transponders

  • Message set compatible with OnBoard Equipment Emergency Preemption via Ethernet to Siemens SEPAC and NextPhase signal control

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