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About Us

We are the most comprehensive roadway construction company in Hawaii. When you think of upkeep and construction of Hawaii’s roadways, think of G P Roadway Solutions because we offer nearly all of it since 1978. Being a locally owned company we realize that in order to do business with Hawaii we needed to be there in person.We offer our services to the entire state of Hawaii with offices on Oahu, Hawaii, Maui & Kauai.

Our construction department installs a majority of the guardrails, road signs, traffic barriers and crash cushions in the state. Our group will also maintain, paint and repair roads and parking lots. Our sales department can help you with the latest in safety equipment and road construction products because we represent some of the best manufacturers in the country. The rentals division has helped countless road construction crews by directing traffic safely around construction sites and sports events using our cones, pedestrian and vehicle barriers. We also create a safe constructions site with trench shoring, steel plates and other large construction equipment you don’t want to own yourself.

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The TraffiCalm Street Series

The TraffiCalm Street Series of “Your Speed” Signs offers an economical and simple solution to help increase driver speed awareness and road safety in low speed areas. These pole mounted “your speed” signs feature bright 9” or 12” characters which can be seen from up to 450’ or 600’ away respectively, and help increase driver speed awareness on the neighborhood streets where so many small accidents occur every year. TraffiCalm Value signs are designed for situations where drivers need to simply be alerted of their current speed but the additional data collecting and screen programming capabilities are not necessary. Available with complete 20w solar package for placement in area where connecting to power is an issue. Also configurable as variable speed limit sign

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