Source References

Items that reference source, Rural ITS Toolbox

Benefit

In Colorado, a downhill truck speed warning system installed on a curved section of I-70 reduced 85th percentile truck speeds by 27 percent.

Lesson

Provide traveler information in rural areas to allow for good travel decisions in inclement weather and construction season.
Use speed warning signs on dangerous curves to reduce speeds of trucks.

System Cost

A pedestrian safety system was deployed in downtown Boulder, Colorado; total project cost ranged from $8,000 to $16,000.
A variable speed limit system consisting of multiple ITS components and covering 40 miles over the Snoqualmie Pass in Washington was designed and implemented for $5 million.
Emergency preemption equipment was deployed at several intersections in British Columbia, Canada at a cost of $4,000 (Canadian) per intersection.
During a pilot project Minnesota State Patrol vehicles were equipped with an accident investigation system at a cost of $8,000 to $10,000 per vehicle.
A bicycle safety system was installed for $5,000 at a tunnel near Chelan, Washington.
Colorado DOT deployed a truck speed warning system in Glenwood Canyon at a cost ranging from $25,000 to $30,000.
Animal warning system deployed in the Greater Yellowstone Rural Intelligent Transportation Systems (GYRITS) corridor at a cost of $3,800 per site.
A Minnesota integrated communications system project to share application of ITS across transportation, public safety, and transit agencies cost just over $1.5 million.