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Tuesday, March 27, 2012
Daytime roadway maintenance work gets underway; crews will transition into night work in weeks ahead

Sealing cracks to preserve Ada County roads will be the focus of crews working throughout the next few months on 44 miles of roadway — in many cases during nighttime hours to reduce impacts to the motoring public. Crews began work today (March 27) and anticipate transitioning into night work in April, weather-permitting, on roadways that handle heavy traffic. Crack seal work will continue through July in areas of Boise and Garden City in advance of the Ada County Highway District’s chipseal season which is expected to get underway in early July. Many roads receiving crack seal maintenance will be chipsealed this summer.

Crack sealing is one of the many tools ACHD uses to preserve quality roadways and extend their lifespan as well as reduce the chance of pot holes. The process seals existing cracks with a rubber asphalt material which helps prevent water from damaging the layers of road beneath the asphalt.

Once night work begins, crews will work Sunday through Thursday, generally between 9 p.m. and 6 a.m. on arterial roadways, such as Fairview Avenue, Orchard Street, and Five Mile Road which carry large volumes of daytime traffic. Day work will occur from 8 a.m. to 4:30 p.m. on roadways that are residential or carry lower volumes of traffic. Please see the attached map for day and night work locations. Performing a significant portion of the work at night will reduce delays to daytime motorists during hours the roads are busiest and will provide a safer work environment for crews and motorists.

Anticipated impacts
Crack seal work is a fast moving process that involves crews working on foot alongside trucks that carry the necessary equipment and material. Within minutes of filling a crack, motorists are allowed to drive over the sealant; however, drivers who encounter crews may experience possible delays, temporary lane restrictions and flaggers directing traffic. Roads are not closed during crack seal maintenance, but on-street parking may be restricted before and during the work. Temporary noise impacts should be anticipated when crews are removing debris from cracks prior to sealing them.
 

About crack seal maintenance
Crack seal is a hot, sticky, rubber and asphalt material that is applied to cracks in a roadway. The process does not resurface the street. The sealant forms a long-lasting seal which is flexible and expandable and works to keep water out of the road bed.

Cracking in asphalt pavement occurs when traffic and temperature fluctuations create strains that pavement cannot accommodate. Preventative maintenance can help extend the life of the road and create a smoother ride for motorists.

The crack seal work will be performed by PC Maintenance of Garden City. In addition, ACHD maintenance crews are working daytime hours to fill cracks on 160 miles of roadway with a focus on residential areas and less heavily traveled roadways.

For more information on ACHD’s road maintenance practices and to view the 2012 crack seal and chipseal maps, visit www.achdidaho.org.

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