Lp Gas Prohibited

• Propane in tunnels: each is different, Baltimore says: exceptions made to allow for small quantities, reads," -propane, liquefied petroleum gas, and other flammable compressed gas containers in quantities not exceeding gross weight of 10 lb/container and 100 lb/vehicle." as per HM.50.2.MD

Prohibited

• Maryland/Baltimore: Baltimore Harbor and Fort McHenry (I-95) Tunnels. Alternate route for RVs with propane is I-695 (Francis Scott Key Bridge).
• Massachusetts/Boston Harbor: Between Boston and East Boston; Sumner and Callahan Tunnels; Prudential and Dewey Square Tunnels.
• New York/East River: Between Manhattan and Brooklyn: Brooklyn Battery Tunnel.
• New York/East River: Between Manhattan and Queens: Queens Midtown Tunnel.
• New York and New Jersey/Hudson River: Between Manhattan and Jersey City: Holland Tunnel.
• New York and New Jersey/Hudson River: Between Manhattan and Weehawken, NJ: Lincoln Tunnel.
• New York and New Jersey/Hudson River: Between Manhattan and Fort Lee, NJ: Lower level George Washington Bridge (I-95 South) and George Washington Expressway. Upper level is OK use instead of Holland/Lincoln tunnels

Restrictions

• Virginia/Chesapeake Bay Bridge/Tunnel: Tanks must be completely shut off and securely attached. Maximum of two 45-pound capacity tanks (or two permanently mounted containers with maximum capacity of 200 pounds).
• Texas/Houston Ship Channel: Washburn Tunnel between Pasadena and Galena Park: Maximum of two 7-1/2-gallon containers (30 pounds gas each) or one 10-gallon container (40 pounds gas). Valve must be closed when in tunnel.