Thursday, May 5, 2016

Rock Blasting Could Cause Short Traffic Delays

You may experience some delays if you drive near the construction site for the Combined Sewer Overflow project construction near Monroe and Post Street. Due to large rocks underground, rock blasting will begin Monday, May 9 and last for approximately two to four weeks. Cars and pedestrians will be stopped from entering near the excavation location for up to 10 minutes at a time when blasting is underway. 

There will be flaggers on site to control traffic and signs and traffic control devices will alert drivers about the upcoming work.

Before the controlled blasting begins, there will be a series of whistles as follows:

·         Five (5) long air horn signals to indicate five (5) minutes until the blast
·         10 short air horn signals to indicate one (1) minute until the blast
·         Then the blast occurs
·         One (1) long air horn signals to indicate that the area is clear

It is anticipated that there will not be any notable vibrations that will occur as a result of the blasting.  Due to the drilling work for the rock excavation, it is anticipated that the noise level may be slightly higher than normal in the area.


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About SRTC

SRTC is the federally designated Metropolitan Planning Organization (MPO) for Spokane County. Urbanized areas with populations exceeding 50,000 people are required to have an MPO. SRTC was formed to address the county's transportation planning needs. It provides coordination in planning between the public, cities, small towns, the county, the state, transit providers, and tribes.

SRTC offers services including transportation monitoring, transportation modeling, census information analysis, travel demand forecasting, historical traffic count analysis, geographic information systems, and trip generation rates.