RTD officials tried to deter thieves by embedding copper wire in railroad ties, installing wooden covers, and greasing wires ...

To account for this, you will see that RTD probes are sold in two, three, and four wire configurations. Two-wire configurations do not account for lead wire resistance, three-wire probes account ...

RTD ridership barely increased despite efforts to promote public transit, newly released numbers show, raising concerns that continued rail maintenance “slow zones” and security problems are ...