The I-635 East Entrance (Westbound, 19-C) is accessible from both the westbound I-635 / LBJ general highway lanes and HOV lane. The left-hand on-ramp is located immediately past the HOV lane exit, just after Greenville Ave. All drivers, including HOV users, can use this entrance and access the following exits: You can then access the following: TI Blvd Exit (T-18A) (use the far left-hand lanes); Preston Rd Exit (T-21); Webb Chapel Rd Exit (T-25); I-35E N/S Exit (T-26) to the I-635 and I-35E / Stemmons Fwy general highway lanes; I-35E N/S TEXpress Exit (T-27) to the I-35E / Stemmons Fwy TEXpress Lanes Luna Rd Exit Tip: This entrance is for all drivers and is not limited to only HOV users. Once you enter, remain in one of the first two lanes. To view and download a copy of the LBJ TEXpress Lanes Entrance Ramp maps, visit: http://www.lbjtexpress.com/maps/LBJ-T...