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2020 Maryland Statutes
Transportation
Title 21 - Vehicle Laws -- Rules of the Road
Subtitle 14 - Operation of Vehicles on Certain Toll Facilities
Section 21-1412 - Special Provisions for Tunnels
Universal Citation:
MD. Transportation Code Ann. § 21-1412 (2020)
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(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.
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