The La Quinta Inn, 4440 N. Central Expressway (US75) is also offering us a block of 40 rooms at $79 plus tax for a double, $89 for a king, including breakfast. Complimentary parking and WiFi. They also tell us that they are pet friendly, but will probably ask for a deposit. Contact 214-821-4220.
The La Quinta is located on the east frontage road just south of the Knox/Henderson exit and is within easy walking distance of The Old Monk - a great pub with an amazing beer list and good food.
There are a number of other hotels in the north Dallas area but we stronly suggest that you contact the NTIF office if you are considering staying at any other hotels in the Fair Park area. We have experienced issues in the past and can privately advise you of suitable and safe locations.