But about 40 percent of the barriers were paid for by the state alone, as part of the project that built the high-occupancy-vehicle lanes.
Other options include adding service roads and high-occupancy-vehicle lanes.
Although transportation officials support plans for a high-occupancy-vehicle lane to move traffic more quickly, they say they are eager to please and remain open to suggestions.
On the face of it, opposition to these high-occupancy-vehicle, or H.O.V., lanes sounds reasonable.
More than 2,000 miles of highway are now reserved nationwide for these high-occupancy-vehicle lanes.
Left lane closed in both directions every day through October, to build high-occupancy-vehicle lanes.
Virginia can claim some of the best and the worst when it comes to experience with high-occupancy-vehicle lanes, transportation analysts say.
The recent addition of high-occupancy-vehicle lanes on the three Interstate highways converging in downtown Atlanta have had little noticeable impact.
On traffic-choked California roads, such vehicles get coveted access to high-occupancy-vehicle lanes.
The project, begun in 1994, is adding 41 miles of high-occupancy-vehicle lanes to the expressway.
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