Figure 1 – Summary of Benefits by Site

Figure depicts map of the United States with the four sites highlighted along with a summary of benefits by site. They are as follows:

I-55 Springfield, Illinois

• No significant traffic back ups
• Reduced rate of traffic citations
• Only two crashes – one attributed to fatigue and the other to alcohol

I-496 Lansing, Michigan

• Real-time information on problem areas for travelers
• More efficient communications with local agencies
• Helped enable use of full road closure, which reduced construction time (two seasons to one)
• Quicker incident response

I-40/I-25 Albuquerque, New Mexico

• 44 percent reduction in incident response and clear time
• Fewer secondary accidents
• Better maintenance of traffic flow
• Praise from travelers and the public safety sector
• Better communication with incident management community

I-40 West Memphis, Arkansas

• Information at strategic locations for alternate routes
• Improved safety through traveler information on traffic backups
• Better relations with the public and neighboring agencies
• Better incident response
• Reduced delay through better construction traffic coordination.