§ 21–1412
Statutes in effect as of October 1, 2026.
Md. Code Ann., Transp. § 21-1412 (2026)
Title 21. Vehicle Laws -- Rules of the Road
Subtitle 14. Operation of Vehicles on Certain Toll Facilities
§ 21–1412LinkCopy Citation
(a)
Except at the direction of authorized personnel, vehicular traffic may not cross the double white lines that designate the vehicular traffic lanes in a tunnel.
(b)
Except at the direction of authorized personnel, trucks and slow moving vehicles may be driven only in the right lane of a tunnel.
(c)
The driver of a vehicle may not sound his horn or flash his headlights in a tunnel.
(d)
While in a tunnel, a person may not use any cutout or other device that allows exhaust gases to escape a motor without passing through a muffler or silencer.