There is RTA( Road Transport Authory) Taxi running all over the dubai. The starting rate of taxi is minimum 10 AED/- except if you are catching it from airport, it starts with 20 AED/- and with in 100/- you can travel from Karam to jabel ali. which is a longest road. You can hire carlift from
http://www.wagib.com .by registering yourself you can avail numbars of acitivities happening in dubai at the reasonalbe price.