Here's something you might be interested in.
A recent view of the construction of an on-ramp to Carretera Federal 1D (or the Tijuana-Ensenada toll road) in Tijuana’s Zona Norte area. At nearly this point, the highway veers south toward the Playas area of TJ. The on-ramp is part of the new northern-most bridge that crosses the Tijuana River. (Click photos to enlarge)
A recent view of the construction of an on-ramp to Carretera Federal 1D (or the Tijuana-Ensenada toll road) in Tijuana’s Zona Norte area. At nearly this point, the highway veers south toward the Playas area of TJ. The on-ramp is part of the new northern-most bridge that crosses the Tijuana River. (Click photos to enlarge)
The toll road doesn't start for several miles away from Zona Norte. This is the road that leads to it, but is not the toll road.