 northbound on the bw parkway headed past nasa goddard a single left lane gets you by the work zone there no issues on the i-95 to speak of just some brief delays as you head northbound past the howard county rest area northbound 301 near trade zone avenue in upper marlboro left lane is blocked for the work if you're traveling at this time in tacoma park sligo creek parkway close between piney branch road and park valley road for the