Latest Benefits Updates

In Minneapolis-St.Paul, an evaluation of the effectiveness of ramp meters on four test corridors showed that the number of crashes recorded for the interim period with reduced ramp metering capacity was 15 percent higher that the average number of cr
Date Posted: 07/08/2002 | Source Date:
A simulation study in Minneapolis-St. Paul estimated that ramp metering saved 2 to 55 percent of the fuel expended at each ramp.
Date Posted: 06/13/2002 | Source Date:
A simulation study in Minneapolis-St. Paul estimated that ramp metering decreased total system travel time by 6 to16 percent and increased average mainline speeds by 13 to 26 percent.
Date Posted: 06/13/2002 | Source Date:
In Texas, police who used remote camera/radar systems to enforce work zone speed limits noted improved safety to officers, but expressed some concern over effectiveness in identifying speeding vehicles.
Date Posted: 04/22/2002 | Source Date:
Evaluation studies showed that roadways equipped with automated speed enforcement can reduce the number of speeding vehicles by 27 to 78 percent.
Date Posted: 04/22/2002 | Source Date:
When the ramp metering system on Minneapolis-St. Paul freeways was shut down, speeds fell by seven percent.
Date Posted: 04/19/2002 | Source Date:
A study found that the benefit-to-cost ratio of the Minneapolis-St. Paul ramp metering system was 15:1.
Date Posted: 04/19/2002 | Source Date:
Volume decreased by 9 percent and peak period throughput was reduced by 14 percent when the ramp metering system on Minneapolis-St. Paul freeways was deactivated.
Date Posted: 04/19/2002 | Source Date:
Most drivers believed that traffic conditions worsened when the Minneapolis-St. Paul ramp metering system was shut down and 80 percent supported reactivation.
Date Posted: 04/19/2002 | Source Date:
When the ramp metering system on Minneapolis-St. Paul freeways was deactivated, crash frequency increased by 26 percent.
Date Posted: 04/19/2002 | Source Date:
ITS Deployment Evaluation

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