j4traffic is Boston's new all-traffic, crowdsourced radio station for your mobile phone. All traffic, only traffic. 6 am to 9 am during our beta-phase.  
 
www.j4traffic.com  
 
Download the j4traffic app for your mobile device. Type in "j4traffic" (no spaces) to find it in the App store or on Google play. Also can be used on your desktop. laptop, MAC, and TV with BlueStacks installed.  
 
Read the Boston Globe's review of j4traffic  
http://www.bostonglobe.com/business/2014/02/18/new-traffic-app-uses-older-time-tech-humans/777uU0x2k3lcZIiDnjBiMJ/story.html