I'm an engineer. Here's an inexpensive way to reduce the potholes on city streets.

Using an old-fashioned tarring process could protect more roads for far less money

Doering is an engineer who lives in Bay Park. While in plain sight, the root cause for why potholes are forming rapidly is not visible to most. I am a native San Diegan and licensed engineer who for years has seen our city streets deteriorate from what they once were — beautiful and smooth — to what they are now, potholed and dangerous. The cause of the deterioration of our streets is very apparent if you know what to look for and know a little of San Diego’s road maintenance history.

Tarring the cracks costs a fraction of what the city pays for slurry sealing — where a thin layer of asphalt is laid over the entire road. Using the tarring process, the city can protect more roads for far less. Tarring involves one to two workers using wands, which are attached to the rear of a tar truck by hoses. The tar truck slowly moves forward as the workers in the back seal the cracks. I do not know why San Diego Mayor Todd Gloria cannot find the money needed for street repairs.

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