Md. Code Ann., Transp. § 4-402
After study, the Authority shall erect signs at each approach to the Baltimore Harbor Tunnel Throughway to warn motorists of a delay in the flow of traffic through the tunnel, so that they may choose an alternate route.
Added by Acts 1977, c. 13, § 2, eff. July 1, 1977.
Formerly Art. 89B, § 120D.