road construction, entrance ramp closed on I 278 eastbound at Exit 39   Grand Central Parkway East; Astoria Boulevard East starting 12:00 AM, 04 23 07 until 5:00 AM, 04 29 07Comment: ROADWAY MAINTENANCE E B BQE TO THE GCP CONNECTING RAMP, HAVING ALL LANES CLOSED. TRAFFIC DETOUR TO ASTORIA BLVD.