The problem isn't the gas tax, it's sprawl
From the Baltimore Sun
No doubt many will write decrying a proposal to increase Maryland's gas tax. They will assert that taxes adequate to maintain our transportation system would impose an unacceptable burden on our citizens. However, they are complaining about a symptom, not the disease. They should be complaining about land use policies promoting sprawl and transportation decisions that starve public transportation, leaving our citizens with no alternative to continued addiction to gasoline.
Those meeting their transportation needs by walking, biking, using the bus or rail aren't vulnerable to oil-price driven increases in the cost of gas or proposals to increase gas taxes.