Q. Is there a law prohibiting large container trucks or delivery trucks from using residential streets? The section of Mokauea Street between Dillingham Boulevard and King Street is in such poor condition that whenever a large truck passes through, you're able to hear and feel it coming from several blocks away. It is a terrifying experience to be awakened each morning by the sound of trucks roaring down the street and the walls, windows and floors of the house vibrate, shake and crackle every five to 10 minutes. Is there a way for these Kalihi residents to get some relief? Is there a way to reduce the number of trucks using residential streets between 8 p.m. and 8 a.m.?

A. Sgt. Alan Vegas of the Traffic Division checked with the city Department of Transportation Services and found that Mokauea Street is not considered a residential street, but more of a thoroughfare through a mixed-use (residential/business) area. So, Vegas said he is not aware of any law that prohibits large container or delivery trucks from driving through that area.

There are, of course, laws regulating truck weights, widths, sizes and loads, he said. And there are residential streets off Mokauea Street. He said he is not aware if there is a problem with these trucks using those streets "that may be physically unsuitable and incompatible with the safe and normal movement of traffic." He said residents could raise the issue to a City Council member or neighborhood board. You could also check with the state Department of Health's noise branch at 586-4700 to see whether the hours of travel break those rules.

Q. I am writing to ask for help and information concerning a possible hazard at the intersection of Wyllie Street and Nu'uanu Avenue. The direction arrows on the asphalt on the on-ramp and off-ramp to Pali Highway at that intersection are worn and faded. A few weeks ago I witnessed a near head-on collision when a car mistakenly went into the off-ramp lane when it should have gone into the on-ramp lane. I think that the faded arrows contributed to that driver's confusion about the correct lane.

A. State Department of Transportation spokesman Scott Ishikawa said the arrows fall under the state's responsibilities. After you wrote to complain, transportation crews finished restriping the area on July 29.

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