From the Montgomery County BRAC Coordinator on August 2, 2017:
This is an update on construction related to the MD-355 Crossing Project on Rockville Pike at the Medical Center Metro Station in Bethesda near NSAB, Walter Reed and NIH.
CONTROLLED BLAST:
Weather permitting, Friday, August 4, between 9:30 AM and 12:30 PM, is the next scheduled controlled blast for the MD 355 Crossing Project at the Medical Center Metro Station in Bethesda near NSAB, Walter Reed and NIH.
There will be a single explosive blast. Alarm horns will sound five minutes prior to the blast and traffic will be halted on Rockville Pike between Jones Bridge Road and South Wood Drive (Navy Gate #2) for approximately 10 minutes. It is anticipated that very minimal vibrations will be felt, and the alarm horns will be heard only by people in the immediate vicinity.
UPCOMING LANE CLOSURES:
In addition, please note these upcoming scheduled lane closures on MD 355 between Woodmont Avenue and Wilson Drive:
WEEKDAYS, JULY 31 - APPROX. AUGUST 18: The RIGHT SOUTHBOUND lane will be closed 9:30 AM - 3:00 PM, Monday-Friday, July 31 through approx.. August 18.
OVERNIGHT, AUGUST 3-4: Two SOUTHBOUND lanes will be closed OVERNIGHT Thursday, August 3, from 10:00 PM thru 5:00 AM August 4.
WEEKEND OF AUGUST 4-7: Two SOUTHBOUND lanes will be closed from 10:00 PM Friday August 4 through 5:00 AM Monday August 7.
WEEKEND OF AUGUST 11-14: Two SOUTHBOUND lanes will be closed from 10:00 PM Friday August 11 through 5:00 AM Monday August 14.
This work is part of the ongoing construction of the Crossing Project at the Medical Center Metro Station, which will establish a shallow pedestrian underpass between NIH and Naval Support Activity Bethesda/Walter Reed National Military Medical Center, and deep elevators on the Navy side of MD 355 to the Metrorail mezzanine. Construction of the Crossing Project is anticipated through mid-2021.
Please note that the area of Rockville Pike near the Medical Center Metro Station, NIH and NSAB/Walter Reed is a construction zone. Please pay attention to all signs, and drive, walk or bike carefully through the area.