GroundRules
24VAC30-61-40: Restrictions on hazardous material transportation across urban facilities
Where this section sits in the code
- Title 24. Transportation And Motor Vehicles
- Agency 30. Department of Transportation
- Chapter 61. Rules and Regulations Governing the Transportation of Hazardous Materials Through Bridge-Tunnel Facilities
Hazardous materials are regulated in the four urban tunnels based on the "hazard class" of the material being conveyed. The tables in this section list those categories of materials grouped under the designations "Prohibited," "No Restrictions," or "Restricted."
*PROHIBITED*
Materials defined in the following classes are not allowed passage through the four urban tunnels.
CATEGORY
PLACARD NAME
PLACARD REFERENCE
1.1
Explosives 1.1
49 CFR 172.522
1.2
Explosives 1.2
49 CFR 172.522
1.3
Explosives 1.3
49 CFR 172.522
2.3
Poison Gas
49 CFR 172.540
4.3
Dangerous When Wet
49 CFR 172.548
6.1 (Packing Group (PG) I, inhalation hazard only)
Poison Inhalation Hazard
49 CFR 172.555
*NO RESTRICTIONS*
Materials in the following hazard classes are not restricted in the four urban tunnels.
CATEGORY
PLACARD NAME
PLACARD REFERENCE
1.4
Explosives 1.4
49 CFR 172.523
1.5
Explosives 1.5
49 CFR 172.524
1.6
Explosives 1.6
49 CFR 172.525
2.2
Nonflammable Gas
49 CFR 172.528
3
Combustible
49 CFR 172.544
4.1
Flammable Solid
49 CFR 172.546
4.2
Spontaneously Combustible
49 CFR 172.547
6.1 (PG I or II, other than PG I inhalation hazard)
Poison
49 CFR 172.554
6.1 (PG III)
Inhalation Hazard
49 CFR 172.555
6.2
( must be labelled as an Infectious Substance)
49 CFR 172.432 for the labeling requirement
7 Radioactive
Radioactive
49 CFR 172.556
9
Class 9
49 CFR 172.560
*RESTRICTED*
Materials in the following hazard classes are allowed access to the four urban tunnels in "Non-bulk" (maximum capacity of 119 gallons/450 liters or less as a receptacle for liquids, a water capacity of 1000 pounds/454 kilograms or less as a receptacle for gases, and a maximum net mass of 882 pounds/400 kilograms or less and a maximum capacity of 119 gallons/450 liters or less as a receptacle for solids) quantities per container only.
CATEGORY
PLACARD NAME
PLACARD REFERENCE
2.1
Flammable Gas
49 CFR 172.532
3
Flammable
49 CFR 172.542
5.1
Oxidizer
49 CFR 172.550
5.2
Organic Peroxide
49 CFR 172.552
8
Corrosive
49 CFR 172.558
Collected 2026-09-14T04:54:25Z. Source file · JSON