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Re-striping project will add fourth lane on busy corridor of H-1

By Gregg K. Kakesako

POSTED:
LAST UPDATED: 03:07 a.m. HST, Jul 17, 2012



In an attempt to break the logjam on the H-1 through Makiki, workers will re-stripe parts of the freeway to create a fourth lane in each direction.

The $200,000 project began Monday night and is expected to be completed before classes open at private schools and the University of Hawaii in late August. Public schools reopen at the end of this month.

The re-striping work will be done only at night and is expected to be completed by the first week of August, weather permitting, said Caroline Sluyter, state Transportation Department spokes­woman.

Sluyter said the state will re-stripe the freeway lanes in the Ewa-bound direction between Punahou Street and Pali Highway (1.4 miles) and Koko Head-bound between Ward Avenue and Keeaumoku Street (0.7 miles). 

The three existing through lanes will be narrowed to 10 feet from 12 to create a fourth lane.

Sluyter said the work will be done from 10 p.m. Fridays until 6 a.m. Saturdays, 10 p.m. Saturdays to 6 a.m. Sundays, and 9 p.m. until 4 a.m. on other days of the week. Two lanes will be closed in each direction to complete shoulder and re-striping work. 

State transportation planners estimate that on average 148,700 cars per day travel through that corridor near the Luna­lilo onramp.

Westbound traffic entering the freeway at Luna­lilo runs into traffic leaving the freeway at Vineyard, often creating a logjam because few drivers leave enough space in front of them for a smooth lane swap.

The state rejected a concrete “flyover” ramp for cars leaving the freeway at Vineyard as advocated by area legislators and some residents. Sluyter has said a 2010 study estimated that it would cost $85 million to build a flyover ramp.

“This is a low-cost solution to increase the capacity in the corridor that can be implemented quickly,” she said.

Currently, to reduce the backup, traffic barriers are put up to prevent cars from entering the freeway at Luna­lilo Street during the morning rush hour. Those diverted cars instead enter the freeway via the Pali onramp.

The barriers at the Luna­lilo onramp would be phased out after the fourth lane is added.

The speed limit also will be lowered to 45 mph, the department added. 





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