For anyone that lives in the Dallas metroplex, I recommend that you avoid the I-35 SR (both NB and SB) north of LBJ at ALL costs. I travel I-35 to downtown to/from work every day and I routinely see both Farmer's Branch and Carrollton PD set up on the service road - where the speed limit is 35 MPH.
This morning, around 9AM, I saw four moto cops on SB SR I35 between Luna and Beltline Rd. One moto cop was running laser (it looked like an Ultralyte to me) while three others had customers pulled over on either Capital Pkwy or Century Drive. I was on I-35 so I wasn't a target and didn't get as good of a look as I'd like. I entered the trap in Trapster as quickly as I could.
With the weather warming up, I suspect we'll see them out in full force more often now.