Cop(s) blocking

[Otava]

(2015-07-09 16:30)Otava Wrote:  The suspect then has the decision whether to pay the fine, or take their chances and make a run for it.

(2015-07-09 16:34)Dan Wrote:  http://forum.city-driving.co.uk/showthre...#pid137980

Quote:[..] The rules do not imply that a cop must actively open an escape route for the suspect.

Please explain that upper part to me, why is the offical police guide wrong